Home / 15,182.82-20,952.61-8,468.73

Finding the Fourth Proportional to 15,182.82, 20,952.61 and 8,468.73

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Solution

The fourth proportional to 15,182.82, 20,952.61 and 8,468.73 is: 11,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.82 : 20,952.61 = 8,468.73 : x
  2. Step 2: Convert to fraction form
    15,182.82/20,952.61 = 8,468.73/x
  3. Step 3: Cross multiply
    15,182.82x = 20,952.61 × 8,468.73
  4. Step 4: Simplify right side
    15,182.82x = 177,441,975.71
  5. Step 5: Solve for x
    x = 177,441,975.71/15,182.82
  6. Step 6: Final answer
    x = 11,687.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.