Home / 11,567.20-17,350.80-4,171.92

Finding the Fourth Proportional to 11,567.20, 17,350.80 and 4,171.92

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Solution

The fourth proportional to 11,567.20, 17,350.80 and 4,171.92 is: 6,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.20 : 17,350.80 = 4,171.92 : x
  2. Step 2: Convert to fraction form
    11,567.20/17,350.80 = 4,171.92/x
  3. Step 3: Cross multiply
    11,567.20x = 17,350.80 × 4,171.92
  4. Step 4: Simplify right side
    11,567.20x = 72,386,149.54
  5. Step 5: Solve for x
    x = 72,386,149.54/11,567.20
  6. Step 6: Final answer
    x = 6,257.88

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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.