Home / 11,758.92-16,227.18-6,453.78

Finding the Fourth Proportional to 11,758.92, 16,227.18 and 6,453.78

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Solution

The fourth proportional to 11,758.92, 16,227.18 and 6,453.78 is: 8,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.92 : 16,227.18 = 6,453.78 : x
  2. Step 2: Convert to fraction form
    11,758.92/16,227.18 = 6,453.78/x
  3. Step 3: Cross multiply
    11,758.92x = 16,227.18 × 6,453.78
  4. Step 4: Simplify right side
    11,758.92x = 104,726,649.74
  5. Step 5: Solve for x
    x = 104,726,649.74/11,758.92
  6. Step 6: Final answer
    x = 8,906.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.