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Finding the Fourth Proportional to 16,711.61, 25,067.44 and 6,849.11

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Solution

The fourth proportional to 16,711.61, 25,067.44 and 6,849.11 is: 10,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.61 : 25,067.44 = 6,849.11 : x
  2. Step 2: Convert to fraction form
    16,711.61/25,067.44 = 6,849.11/x
  3. Step 3: Cross multiply
    16,711.61x = 25,067.44 × 6,849.11
  4. Step 4: Simplify right side
    16,711.61x = 171,689,716.65
  5. Step 5: Solve for x
    x = 171,689,716.65/16,711.61
  6. Step 6: Final answer
    x = 10,273.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.