14 Lp for 3 wins in a row???

I got 14 LP for 4 wins in a row... This needs to be fixed

i won 4 games went from 20 to 50 lp then lost 2 went back to 20 lp then won 4 in a row again i'm just a 61 lp. I mean im 8-2 in my last 10 games and i feel like i can go down hard if i loose one