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Finding the Fourth Proportional to 11,862.44, 17,793.26 and 5,625.44

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Solution

The fourth proportional to 11,862.44, 17,793.26 and 5,625.44 is: 8,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.44 : 17,793.26 = 5,625.44 : x
  2. Step 2: Convert to fraction form
    11,862.44/17,793.26 = 5,625.44/x
  3. Step 3: Cross multiply
    11,862.44x = 17,793.26 × 5,625.44
  4. Step 4: Simplify right side
    11,862.44x = 100,094,916.53
  5. Step 5: Solve for x
    x = 100,094,916.53/11,862.44
  6. Step 6: Final answer
    x = 8,437.97

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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.