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Finding the Fourth Proportional to 13,757.76, 18,990.24 and 8,092.44

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Solution

The fourth proportional to 13,757.76, 18,990.24 and 8,092.44 is: 11,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.76 : 18,990.24 = 8,092.44 : x
  2. Step 2: Convert to fraction form
    13,757.76/18,990.24 = 8,092.44/x
  3. Step 3: Cross multiply
    13,757.76x = 18,990.24 × 8,092.44
  4. Step 4: Simplify right side
    13,757.76x = 153,677,377.79
  5. Step 5: Solve for x
    x = 153,677,377.79/13,757.76
  6. Step 6: Final answer
    x = 11,170.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.