Home / 16,107.24-22,229.13-8,939.49

Finding the Fourth Proportional to 16,107.24, 22,229.13 and 8,939.49

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Solution

The fourth proportional to 16,107.24, 22,229.13 and 8,939.49 is: 12,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.24 : 22,229.13 = 8,939.49 : x
  2. Step 2: Convert to fraction form
    16,107.24/22,229.13 = 8,939.49/x
  3. Step 3: Cross multiply
    16,107.24x = 22,229.13 × 8,939.49
  4. Step 4: Simplify right side
    16,107.24x = 198,717,085.34
  5. Step 5: Solve for x
    x = 198,717,085.34/16,107.24
  6. Step 6: Final answer
    x = 12,337.13

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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.