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Finding the Fourth Proportional to 15,027, 20,737.26 and 8,403

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Solution

The fourth proportional to 15,027, 20,737.26 and 8,403 is: 11,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027 : 20,737.26 = 8,403 : x
  2. Step 2: Convert to fraction form
    15,027/20,737.26 = 8,403/x
  3. Step 3: Cross multiply
    15,027x = 20,737.26 × 8,403
  4. Step 4: Simplify right side
    15,027x = 174,255,195.78
  5. Step 5: Solve for x
    x = 174,255,195.78/15,027
  6. Step 6: Final answer
    x = 11,596.14

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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.