Answer:
12
Step-by-step explanation:
Let the missing number be " x ".
4 / 5 = x / 15
4 * 15 = 5 * x
x = ( 4 * 15 ) / 5
= 4 * 3
x = 12
[tex]\frac{4}{5} = \frac{?}{15} \\\\Cross-multiply\\\\4 * 15 = 60\\60 / 5 = 12[/tex]
Hope this helps and a thank won't hurt! :)
