Home / 11,227.68-15,490.98-7,251.12

Finding the Fourth Proportional to 11,227.68, 15,490.98 and 7,251.12

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Solution

The fourth proportional to 11,227.68, 15,490.98 and 7,251.12 is: 10,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.68 : 15,490.98 = 7,251.12 : x
  2. Step 2: Convert to fraction form
    11,227.68/15,490.98 = 7,251.12/x
  3. Step 3: Cross multiply
    11,227.68x = 15,490.98 × 7,251.12
  4. Step 4: Simplify right side
    11,227.68x = 112,326,954.90
  5. Step 5: Solve for x
    x = 112,326,954.90/11,227.68
  6. Step 6: Final answer
    x = 10,004.47

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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.