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Finding the Fourth Proportional to 12,165.12, 18,249.03 and 6,626.52

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Solution

The fourth proportional to 12,165.12, 18,249.03 and 6,626.52 is: 9,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.12 : 18,249.03 = 6,626.52 : x
  2. Step 2: Convert to fraction form
    12,165.12/18,249.03 = 6,626.52/x
  3. Step 3: Cross multiply
    12,165.12x = 18,249.03 × 6,626.52
  4. Step 4: Simplify right side
    12,165.12x = 120,927,562.28
  5. Step 5: Solve for x
    x = 120,927,562.28/12,165.12
  6. Step 6: Final answer
    x = 9,940.52

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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.