17 quarts is greater than 4 gallons.
1 quart is equal to .25 gallons. So to find out how much 17 quarts equals in gallons, multiply the number of quarts by .25. You will figure out that 17 quarts is equal to 4.25 gallons which is greater than 4. So, 17 quarts is greater than 4 gallons.
Hope this helps! :)
