Home / 62,496-93,744-18,720

Finding the Fourth Proportional to 62,496, 93,744 and 18,720

Calculator

Solution

The fourth proportional to 62,496, 93,744 and 18,720 is: 28,080

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,496 : 93,744 = 18,720 : x
  2. Step 2: Convert to fraction form
    62,496/93,744 = 18,720/x
  3. Step 3: Cross multiply
    62,496x = 93,744 × 18,720
  4. Step 4: Simplify right side
    62,496x = 1,754,887,680
  5. Step 5: Solve for x
    x = 1,754,887,680/62,496
  6. Step 6: Final answer
    x = 28,080

Related Problems

Find fourth proportional to 31,248, 46,872 and 9,360
Half scale
Find fourth proportional to 124,992, 187,488 and 37,440
Double scale
Find fourth proportional to 62,497, 93,745.50 and 18,721
Similar ratio
Find fourth proportional to 93,744, 140,616 and 28,080
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.