Home / 11,472.92-15,832.56-6,437.13

Finding the Fourth Proportional to 11,472.92, 15,832.56 and 6,437.13

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Solution

The fourth proportional to 11,472.92, 15,832.56 and 6,437.13 is: 8,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.92 : 15,832.56 = 6,437.13 : x
  2. Step 2: Convert to fraction form
    11,472.92/15,832.56 = 6,437.13/x
  3. Step 3: Cross multiply
    11,472.92x = 15,832.56 × 6,437.13
  4. Step 4: Simplify right side
    11,472.92x = 101,916,171.93
  5. Step 5: Solve for x
    x = 101,916,171.93/11,472.92
  6. Step 6: Final answer
    x = 8,883.19

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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.