Home / 11,000.92-15,182.40-7,227.12

Finding the Fourth Proportional to 11,000.92, 15,182.40 and 7,227.12

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Solution

The fourth proportional to 11,000.92, 15,182.40 and 7,227.12 is: 9,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.92 : 15,182.40 = 7,227.12 : x
  2. Step 2: Convert to fraction form
    11,000.92/15,182.40 = 7,227.12/x
  3. Step 3: Cross multiply
    11,000.92x = 15,182.40 × 7,227.12
  4. Step 4: Simplify right side
    11,000.92x = 109,725,026.69
  5. Step 5: Solve for x
    x = 109,725,026.69/11,000.92
  6. Step 6: Final answer
    x = 9,974.17

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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.