Home / 22,069.50-30,456.11-11,997.96

Finding the Fourth Proportional to 22,069.50, 30,456.11 and 11,997.96

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Solution

The fourth proportional to 22,069.50, 30,456.11 and 11,997.96 is: 16,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.50 : 30,456.11 = 11,997.96 : x
  2. Step 2: Convert to fraction form
    22,069.50/30,456.11 = 11,997.96/x
  3. Step 3: Cross multiply
    22,069.50x = 30,456.11 × 11,997.96
  4. Step 4: Simplify right side
    22,069.50x = 365,411,189.54
  5. Step 5: Solve for x
    x = 365,411,189.54/22,069.50
  6. Step 6: Final answer
    x = 16,557.29

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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.