Home / 16,139.30-22,269.13-9,425.21

Finding the Fourth Proportional to 16,139.30, 22,269.13 and 9,425.21

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Solution

The fourth proportional to 16,139.30, 22,269.13 and 9,425.21 is: 13,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.30 : 22,269.13 = 9,425.21 : x
  2. Step 2: Convert to fraction form
    16,139.30/22,269.13 = 9,425.21/x
  3. Step 3: Cross multiply
    16,139.30x = 22,269.13 × 9,425.21
  4. Step 4: Simplify right side
    16,139.30x = 209,891,217.12
  5. Step 5: Solve for x
    x = 209,891,217.12/16,139.30
  6. Step 6: Final answer
    x = 13,004.98

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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.