Home / 12,247.32-18,375.30-4,456.92

Finding the Fourth Proportional to 12,247.32, 18,375.30 and 4,456.92

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Solution

The fourth proportional to 12,247.32, 18,375.30 and 4,456.92 is: 6,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.32 : 18,375.30 = 4,456.92 : x
  2. Step 2: Convert to fraction form
    12,247.32/18,375.30 = 4,456.92/x
  3. Step 3: Cross multiply
    12,247.32x = 18,375.30 × 4,456.92
  4. Step 4: Simplify right side
    12,247.32x = 81,897,242.08
  5. Step 5: Solve for x
    x = 81,897,242.08/12,247.32
  6. Step 6: Final answer
    x = 6,686.95

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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.