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Finding the Fourth Proportional to 11,407.52, 17,114.52 and 8,044.40

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Solution

The fourth proportional to 11,407.52, 17,114.52 and 8,044.40 is: 12,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.52 : 17,114.52 = 8,044.40 : x
  2. Step 2: Convert to fraction form
    11,407.52/17,114.52 = 8,044.40/x
  3. Step 3: Cross multiply
    11,407.52x = 17,114.52 × 8,044.40
  4. Step 4: Simplify right side
    11,407.52x = 137,676,044.69
  5. Step 5: Solve for x
    x = 137,676,044.69/11,407.52
  6. Step 6: Final answer
    x = 12,068.88

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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.