Answer :
You can cross multiply if it is equal to the same number it would be proportional.
8/ 24 5/15 8*15 = 5*24 120 = 120
Since they both sides are equal this proportion should be proportional.
8/ 24 5/15 8*15 = 5*24 120 = 120
Since they both sides are equal this proportion should be proportional.