Home / 10,560-15,840-3,264

Finding the Fourth Proportional to 10,560, 15,840 and 3,264

Calculator

Solution

The fourth proportional to 10,560, 15,840 and 3,264 is: 4,896

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560 : 15,840 = 3,264 : x
  2. Step 2: Convert to fraction form
    10,560/15,840 = 3,264/x
  3. Step 3: Cross multiply
    10,560x = 15,840 × 3,264
  4. Step 4: Simplify right side
    10,560x = 51,701,760
  5. Step 5: Solve for x
    x = 51,701,760/10,560
  6. Step 6: Final answer
    x = 4,896

Related Problems

Find fourth proportional to 5,280, 7,920 and 1,632
Half scale
Find fourth proportional to 21,120, 31,680 and 6,528
Double scale
Find fourth proportional to 10,561, 15,841.50 and 3,265
Similar ratio
Find fourth proportional to 15,840, 23,760 and 4,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.