Respuesta :

salatulmaghrib
If this is a proportion, then the answer is 16.

3:12, 4:16
3*16=12*4

Answer:

[tex]\frac{x}{y}=\frac{3}{4}= \frac{12}{y}=>y=\frac{4*12}{3}=\frac{48}{3}=16[/tex]