Home / 11,171.39-16,757.45-5,621.69

Finding the Fourth Proportional to 11,171.39, 16,757.45 and 5,621.69

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Solution

The fourth proportional to 11,171.39, 16,757.45 and 5,621.69 is: 8,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.39 : 16,757.45 = 5,621.69 : x
  2. Step 2: Convert to fraction form
    11,171.39/16,757.45 = 5,621.69/x
  3. Step 3: Cross multiply
    11,171.39x = 16,757.45 × 5,621.69
  4. Step 4: Simplify right side
    11,171.39x = 94,205,077.19
  5. Step 5: Solve for x
    x = 94,205,077.19/11,171.39
  6. Step 6: Final answer
    x = 8,432.71

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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.