Home / 19,839.29-29,755.68-7,356.38

Finding the Fourth Proportional to 19,839.29, 29,755.68 and 7,356.38

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Solution

The fourth proportional to 19,839.29, 29,755.68 and 7,356.38 is: 11,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.29 : 29,755.68 = 7,356.38 : x
  2. Step 2: Convert to fraction form
    19,839.29/29,755.68 = 7,356.38/x
  3. Step 3: Cross multiply
    19,839.29x = 29,755.68 × 7,356.38
  4. Step 4: Simplify right side
    19,839.29x = 218,893,940.46
  5. Step 5: Solve for x
    x = 218,893,940.46/19,839.29
  6. Step 6: Final answer
    x = 11,033.36

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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.