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Finding the Fourth Proportional to 12,299.12, 16,972.88 and 6,710.12

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Solution

The fourth proportional to 12,299.12, 16,972.88 and 6,710.12 is: 9,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.12 : 16,972.88 = 6,710.12 : x
  2. Step 2: Convert to fraction form
    12,299.12/16,972.88 = 6,710.12/x
  3. Step 3: Cross multiply
    12,299.12x = 16,972.88 × 6,710.12
  4. Step 4: Simplify right side
    12,299.12x = 113,890,061.55
  5. Step 5: Solve for x
    x = 113,890,061.55/12,299.12
  6. Step 6: Final answer
    x = 9,260.02

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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.