Home / 42,593.78-63,894.51-11,428.82

Finding the Fourth Proportional to 42,593.78, 63,894.51 and 11,428.82

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Solution

The fourth proportional to 42,593.78, 63,894.51 and 11,428.82 is: 17,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593.78 : 63,894.51 = 11,428.82 : x
  2. Step 2: Convert to fraction form
    42,593.78/63,894.51 = 11,428.82/x
  3. Step 3: Cross multiply
    42,593.78x = 63,894.51 × 11,428.82
  4. Step 4: Simplify right side
    42,593.78x = 730,238,853.78
  5. Step 5: Solve for x
    x = 730,238,853.78/42,593.78
  6. Step 6: Final answer
    x = 17,144.26

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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.