Solve Proportions Cross Multiply

To solve proportions, you must...

• Multiply the numerators with the numerators

• Cross multiply

• Set equations equal

• Multiply by the denominator

Solve the proportions (cross multiply and divide)

• 25

• 19.2

• 3.33

• 52

Solve the proportion:

• 15

• 5

• 10

• 12

Solve the proportions (cross multiply and divide)

• 121

• 63

• 9

• 36

• 10

• 5

• 20

• 15

How can you solve this proportion?

• Cross multiply 5 x 65, then divide by 2

• Divide 65 by 2, then multiply by 5

• Cross multiply 2 x 65, then divide by 5

• 12

• 6

• 3

• 9