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Finding the Fourth Proportional to 12,432.97, 17,157.50 and 6,843.97

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Solution

The fourth proportional to 12,432.97, 17,157.50 and 6,843.97 is: 9,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.97 : 17,157.50 = 6,843.97 : x
  2. Step 2: Convert to fraction form
    12,432.97/17,157.50 = 6,843.97/x
  3. Step 3: Cross multiply
    12,432.97x = 17,157.50 × 6,843.97
  4. Step 4: Simplify right side
    12,432.97x = 117,425,415.28
  5. Step 5: Solve for x
    x = 117,425,415.28/12,432.97
  6. Step 6: Final answer
    x = 9,444.68

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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.