Home / 12,571.97-18,857.61-4,251.92

Finding the Fourth Proportional to 12,571.97, 18,857.61 and 4,251.92

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Solution

The fourth proportional to 12,571.97, 18,857.61 and 4,251.92 is: 6,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.97 : 18,857.61 = 4,251.92 : x
  2. Step 2: Convert to fraction form
    12,571.97/18,857.61 = 4,251.92/x
  3. Step 3: Cross multiply
    12,571.97x = 18,857.61 × 4,251.92
  4. Step 4: Simplify right side
    12,571.97x = 80,180,954.82
  5. Step 5: Solve for x
    x = 80,180,954.82/12,571.97
  6. Step 6: Final answer
    x = 6,377.76

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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.