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Finding the Fourth Proportional to 12,352.98, 17,047.11 and 6,687.72

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Solution

The fourth proportional to 12,352.98, 17,047.11 and 6,687.72 is: 9,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.98 : 17,047.11 = 6,687.72 : x
  2. Step 2: Convert to fraction form
    12,352.98/17,047.11 = 6,687.72/x
  3. Step 3: Cross multiply
    12,352.98x = 17,047.11 × 6,687.72
  4. Step 4: Simplify right side
    12,352.98x = 114,006,298.49
  5. Step 5: Solve for x
    x = 114,006,298.49/12,352.98
  6. Step 6: Final answer
    x = 9,229.05

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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.