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Finding the Fourth Proportional to 12,542.57, 18,814.16 and 5,969.42

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Solution

The fourth proportional to 12,542.57, 18,814.16 and 5,969.42 is: 8,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.57 : 18,814.16 = 5,969.42 : x
  2. Step 2: Convert to fraction form
    12,542.57/18,814.16 = 5,969.42/x
  3. Step 3: Cross multiply
    12,542.57x = 18,814.16 × 5,969.42
  4. Step 4: Simplify right side
    12,542.57x = 112,309,622.99
  5. Step 5: Solve for x
    x = 112,309,622.99/12,542.57
  6. Step 6: Final answer
    x = 8,954.28

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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.