Home / 15,182.82-20,952.31-8,468.88

Finding the Fourth Proportional to 15,182.82, 20,952.31 and 8,468.88

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Solution

The fourth proportional to 15,182.82, 20,952.31 and 8,468.88 is: 11,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.82 : 20,952.31 = 8,468.88 : x
  2. Step 2: Convert to fraction form
    15,182.82/20,952.31 = 8,468.88/x
  3. Step 3: Cross multiply
    15,182.82x = 20,952.31 × 8,468.88
  4. Step 4: Simplify right side
    15,182.82x = 177,442,515.52
  5. Step 5: Solve for x
    x = 177,442,515.52/15,182.82
  6. Step 6: Final answer
    x = 11,687.06

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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.