Home / 42,507.18-63,755.91-11,340

Finding the Fourth Proportional to 42,507.18, 63,755.91 and 11,340

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Solution

The fourth proportional to 42,507.18, 63,755.91 and 11,340 is: 17,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.18 : 63,755.91 = 11,340 : x
  2. Step 2: Convert to fraction form
    42,507.18/63,755.91 = 11,340/x
  3. Step 3: Cross multiply
    42,507.18x = 63,755.91 × 11,340
  4. Step 4: Simplify right side
    42,507.18x = 722,992,019.40
  5. Step 5: Solve for x
    x = 722,992,019.40/42,507.18
  6. Step 6: Final answer
    x = 17,008.70

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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.