Home / 11,206.14-16,809.24-3,414.78

Finding the Fourth Proportional to 11,206.14, 16,809.24 and 3,414.78

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Solution

The fourth proportional to 11,206.14, 16,809.24 and 3,414.78 is: 5,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.14 : 16,809.24 = 3,414.78 : x
  2. Step 2: Convert to fraction form
    11,206.14/16,809.24 = 3,414.78/x
  3. Step 3: Cross multiply
    11,206.14x = 16,809.24 × 3,414.78
  4. Step 4: Simplify right side
    11,206.14x = 57,399,856.57
  5. Step 5: Solve for x
    x = 57,399,856.57/11,206.14
  6. Step 6: Final answer
    x = 5,122.18

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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.