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Finding the Fourth Proportional to 18,061.23, 27,102.54 and 8,200.36

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Solution

The fourth proportional to 18,061.23, 27,102.54 and 8,200.36 is: 12,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.23 : 27,102.54 = 8,200.36 : x
  2. Step 2: Convert to fraction form
    18,061.23/27,102.54 = 8,200.36/x
  3. Step 3: Cross multiply
    18,061.23x = 27,102.54 × 8,200.36
  4. Step 4: Simplify right side
    18,061.23x = 222,250,449.40
  5. Step 5: Solve for x
    x = 222,250,449.40/18,061.23
  6. Step 6: Final answer
    x = 12,305.39

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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.