Home / 42,658.17-63,979.96-11,486.13

Finding the Fourth Proportional to 42,658.17, 63,979.96 and 11,486.13

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Solution

The fourth proportional to 42,658.17, 63,979.96 and 11,486.13 is: 17,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.17 : 63,979.96 = 11,486.13 : x
  2. Step 2: Convert to fraction form
    42,658.17/63,979.96 = 11,486.13/x
  3. Step 3: Cross multiply
    42,658.17x = 63,979.96 × 11,486.13
  4. Step 4: Simplify right side
    42,658.17x = 734,882,137.95
  5. Step 5: Solve for x
    x = 734,882,137.95/42,658.17
  6. Step 6: Final answer
    x = 17,227.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.