Home / 11,171.40-16,757.49-5,621.73

Finding the Fourth Proportional to 11,171.40, 16,757.49 and 5,621.73

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Solution

The fourth proportional to 11,171.40, 16,757.49 and 5,621.73 is: 8,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.40 : 16,757.49 = 5,621.73 : x
  2. Step 2: Convert to fraction form
    11,171.40/16,757.49 = 5,621.73/x
  3. Step 3: Cross multiply
    11,171.40x = 16,757.49 × 5,621.73
  4. Step 4: Simplify right side
    11,171.40x = 94,206,084.26
  5. Step 5: Solve for x
    x = 94,206,084.26/11,171.40
  6. Step 6: Final answer
    x = 8,432.79

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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.