Home / 16,400.29-22,638.25-9,685.95

Finding the Fourth Proportional to 16,400.29, 22,638.25 and 9,685.95

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Solution

The fourth proportional to 16,400.29, 22,638.25 and 9,685.95 is: 13,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.29 : 22,638.25 = 9,685.95 : x
  2. Step 2: Convert to fraction form
    16,400.29/22,638.25 = 9,685.95/x
  3. Step 3: Cross multiply
    16,400.29x = 22,638.25 × 9,685.95
  4. Step 4: Simplify right side
    16,400.29x = 219,272,957.59
  5. Step 5: Solve for x
    x = 219,272,957.59/16,400.29
  6. Step 6: Final answer
    x = 13,370.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.