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Finding the Fourth Proportional to 12,553.86, 18,793.80 and 10,996.90

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Solution

The fourth proportional to 12,553.86, 18,793.80 and 10,996.90 is: 16,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.86 : 18,793.80 = 10,996.90 : x
  2. Step 2: Convert to fraction form
    12,553.86/18,793.80 = 10,996.90/x
  3. Step 3: Cross multiply
    12,553.86x = 18,793.80 × 10,996.90
  4. Step 4: Simplify right side
    12,553.86x = 206,673,539.22
  5. Step 5: Solve for x
    x = 206,673,539.22/12,553.86
  6. Step 6: Final answer
    x = 16,462.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.