Home / 11,564.19-15,972.82-8,372.43

Finding the Fourth Proportional to 11,564.19, 15,972.82 and 8,372.43

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Solution

The fourth proportional to 11,564.19, 15,972.82 and 8,372.43 is: 11,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.19 : 15,972.82 = 8,372.43 : x
  2. Step 2: Convert to fraction form
    11,564.19/15,972.82 = 8,372.43/x
  3. Step 3: Cross multiply
    11,564.19x = 15,972.82 × 8,372.43
  4. Step 4: Simplify right side
    11,564.19x = 133,731,387.35
  5. Step 5: Solve for x
    x = 133,731,387.35/11,564.19
  6. Step 6: Final answer
    x = 11,564.26

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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.