Setting Up a Proportion

To make 24 ounces of hot chocolate, 6 tablespoons of cocoa are needed. Set up a proportion to solve to find how much hot chocolate is made from 144 tablespoons of cocoa. Which number goes in place of the question ? in the proportion below? \frac{24}{?}=\frac{x}{144}

• 24

• 6

• 144

Two fractions that are equal to each other are considered to be a

• proportion

• ratio

• fraction

• coincidence

On Monday, the Dairy Barn sold 14 waffle cones for every 6 sugar cones. On Tuesday, the Dairy Barn sold 7 waffle cones for every 3 sugar cones. What is the proportion that can be used to represent the cone sales?

Mrs. Smith’s car uses 3 gallons of gas to go 96 miles. How many gallons of gas will her car use for a trip of 160 miles? Set a proportion First. 3 gallons/96 Miles = How many Gallons? (X) /160 Miles Then Cross multiply and Solve for X.

• 6

• 7

• 5

• 4

Set up this proportion: Vito uses 9 liters of water to water 24 flower pots. He is wondering how many liters of water (w), it would take to water 40 flower pots. He assumes he'll use the same amount of water on each pot.

Set up this proportion: Vito uses 9 liters of water to water 24 flower pots. He is wondering how many liters of water (w), it would take to water 40 flower pots. He assumes he'll use the same amount of water on each pot.

On a scale drawing, a room with a length of 14 feet measures 2.5 inches. If the master bedroom is 3.5 inches on the scale drawing, how long is the actual room? Set a Proportion; 14 feet/2.5 inches = How many feet? (X) / 3.5 inches Cross Multiply and solve for X.

• 19.6 feet

• 22 feet

• 17.4 feet

• 8.2 feet

John can shovel 5 driveways in 40 minutes. How many driveways can she shovel in 60 minutes? Set a proportion; 5 driveways/40 minutes = How many driveways? (X)/60 minutes. Cross Multiply and solve for X.

• 25 Driveways

• 70 Driveways

• 65 Driveways

• 75 Driveways

John can complete 7.3 Math problems in 8 minutes. At that rate how many Math problems can he complete in 10 minutes? Set the Proportion first; 7.3 Math/8 Minutes = How many Math? (X)/10 minutes. Cross Multiply and solve for X.

• 10 Math Problems

• 9.125 Math Problems

• 8.25 Math Problems

• 7 Math Problems

If 24 inches are 2 feet, how many inches are needed for 4.5 feet?

Set a proportion.

12 inches/2 feet = How many inches? (X)/ 4.5 feet

Cross Multiply and solve for X.

• 27 inches

• 28 inches

• 32 inches

• 23 inches