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Finding the Fourth Proportional to 8,318.66, 12,496.20 and 6,141.38

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Solution

The fourth proportional to 8,318.66, 12,496.20 and 6,141.38 is: 9,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.66 : 12,496.20 = 6,141.38 : x
  2. Step 2: Convert to fraction form
    8,318.66/12,496.20 = 6,141.38/x
  3. Step 3: Cross multiply
    8,318.66x = 12,496.20 × 6,141.38
  4. Step 4: Simplify right side
    8,318.66x = 76,743,912.76
  5. Step 5: Solve for x
    x = 76,743,912.76/8,318.66
  6. Step 6: Final answer
    x = 9,225.51

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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.