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Finding the Fourth Proportional to 12,797.29, 17,661.85 and 7,491.99

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Solution

The fourth proportional to 12,797.29, 17,661.85 and 7,491.99 is: 10,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.29 : 17,661.85 = 7,491.99 : x
  2. Step 2: Convert to fraction form
    12,797.29/17,661.85 = 7,491.99/x
  3. Step 3: Cross multiply
    12,797.29x = 17,661.85 × 7,491.99
  4. Step 4: Simplify right side
    12,797.29x = 132,322,451.08
  5. Step 5: Solve for x
    x = 132,322,451.08/12,797.29
  6. Step 6: Final answer
    x = 10,339.88

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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.