Home / 22,915.10-34,356.45-8,869.70

Finding the Fourth Proportional to 22,915.10, 34,356.45 and 8,869.70

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Solution

The fourth proportional to 22,915.10, 34,356.45 and 8,869.70 is: 13,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.10 : 34,356.45 = 8,869.70 : x
  2. Step 2: Convert to fraction form
    22,915.10/34,356.45 = 8,869.70/x
  3. Step 3: Cross multiply
    22,915.10x = 34,356.45 × 8,869.70
  4. Step 4: Simplify right side
    22,915.10x = 304,731,404.57
  5. Step 5: Solve for x
    x = 304,731,404.57/22,915.10
  6. Step 6: Final answer
    x = 13,298.28

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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.