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Finding the Fourth Proportional to 12,451.16, 17,182.68 and 6,862.16

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Solution

The fourth proportional to 12,451.16, 17,182.68 and 6,862.16 is: 9,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.16 : 17,182.68 = 6,862.16 : x
  2. Step 2: Convert to fraction form
    12,451.16/17,182.68 = 6,862.16/x
  3. Step 3: Cross multiply
    12,451.16x = 17,182.68 × 6,862.16
  4. Step 4: Simplify right side
    12,451.16x = 117,910,299.39
  5. Step 5: Solve for x
    x = 117,910,299.39/12,451.16
  6. Step 6: Final answer
    x = 9,469.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.