Home / 19,916.92-29,877.18-5,876.92

Finding the Fourth Proportional to 19,916.92, 29,877.18 and 5,876.92

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Solution

The fourth proportional to 19,916.92, 29,877.18 and 5,876.92 is: 8,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.92 : 29,877.18 = 5,876.92 : x
  2. Step 2: Convert to fraction form
    19,916.92/29,877.18 = 5,876.92/x
  3. Step 3: Cross multiply
    19,916.92x = 29,877.18 × 5,876.92
  4. Step 4: Simplify right side
    19,916.92x = 175,585,796.69
  5. Step 5: Solve for x
    x = 175,585,796.69/19,916.92
  6. Step 6: Final answer
    x = 8,815.91

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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.