Home / 11,011.71-16,517.22-2,691.78

Finding the Fourth Proportional to 11,011.71, 16,517.22 and 2,691.78

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Solution

The fourth proportional to 11,011.71, 16,517.22 and 2,691.78 is: 4,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.71 : 16,517.22 = 2,691.78 : x
  2. Step 2: Convert to fraction form
    11,011.71/16,517.22 = 2,691.78/x
  3. Step 3: Cross multiply
    11,011.71x = 16,517.22 × 2,691.78
  4. Step 4: Simplify right side
    11,011.71x = 44,460,722.45
  5. Step 5: Solve for x
    x = 44,460,722.45/11,011.71
  6. Step 6: Final answer
    x = 4,037.59

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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.