Ratio and Proportion Extra Practice

Ratio of girls to boys is 3:8. If there are 48 boys, how many girls are there?

• 18
• 36
• 24
• 12

Ratio of teachers to students is 2:15. If there are 18 teachers, how many students are there?

Ratio of sweaters to vests is 6:5. If there are 30 vests, how many sweaters are there?

• 40
• 15
• 36
• 25

Ratio of dolls to barbies is 9:4. If there are 36 dolls, how many barbies are there?

Ratio of correct answers to incorrect answers is 11:4. If there are 28 incorrect answers, how many correct answers are there?

Ratio of trucks to cars is 5:12. If there are 50 trucks, how many cars are there?

• 60
• 72
• 90
• 120

The ratio of crackers to pretzels is 9:12. If there are 15 crackers, then how many pretzels are there?

The ratio of pots to pans is 20:32. If there are 48 pans, how many pots are there?

• 24
• 30
• 15
• 36

The ratio of red marbles to black marbles is 18:4. If there are 6 black marbles, how many red marbles are there?

The ratio of pairs of sneakers to pairs of sandals is 27:21. If there are 49 pairs of sandals, how many pairs of sneakers are there?