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Finding the Fourth Proportional to 13,463.46, 20,198.40 and 4,229.46

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Solution

The fourth proportional to 13,463.46, 20,198.40 and 4,229.46 is: 6,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.46 : 20,198.40 = 4,229.46 : x
  2. Step 2: Convert to fraction form
    13,463.46/20,198.40 = 4,229.46/x
  3. Step 3: Cross multiply
    13,463.46x = 20,198.40 × 4,229.46
  4. Step 4: Simplify right side
    13,463.46x = 85,428,324.86
  5. Step 5: Solve for x
    x = 85,428,324.86/13,463.46
  6. Step 6: Final answer
    x = 6,345.20

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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.