Home / 12,001.92-16,564.68-7,529.40

Finding the Fourth Proportional to 12,001.92, 16,564.68 and 7,529.40

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Solution

The fourth proportional to 12,001.92, 16,564.68 and 7,529.40 is: 10,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.92 : 16,564.68 = 7,529.40 : x
  2. Step 2: Convert to fraction form
    12,001.92/16,564.68 = 7,529.40/x
  3. Step 3: Cross multiply
    12,001.92x = 16,564.68 × 7,529.40
  4. Step 4: Simplify right side
    12,001.92x = 124,722,101.59
  5. Step 5: Solve for x
    x = 124,722,101.59/12,001.92
  6. Step 6: Final answer
    x = 10,391.85

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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.