Home / 16,554.38-22,845.49-9,001.21

Finding the Fourth Proportional to 16,554.38, 22,845.49 and 9,001.21

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Solution

The fourth proportional to 16,554.38, 22,845.49 and 9,001.21 is: 12,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.38 : 22,845.49 = 9,001.21 : x
  2. Step 2: Convert to fraction form
    16,554.38/22,845.49 = 9,001.21/x
  3. Step 3: Cross multiply
    16,554.38x = 22,845.49 × 9,001.21
  4. Step 4: Simplify right side
    16,554.38x = 205,637,008.04
  5. Step 5: Solve for x
    x = 205,637,008.04/16,554.38
  6. Step 6: Final answer
    x = 12,421.91

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Half scale
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Double scale
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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.