Home / 15,739.97-21,716.27-8,932.88

Finding the Fourth Proportional to 15,739.97, 21,716.27 and 8,932.88

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Solution

The fourth proportional to 15,739.97, 21,716.27 and 8,932.88 is: 12,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.97 : 21,716.27 = 8,932.88 : x
  2. Step 2: Convert to fraction form
    15,739.97/21,716.27 = 8,932.88/x
  3. Step 3: Cross multiply
    15,739.97x = 21,716.27 × 8,932.88
  4. Step 4: Simplify right side
    15,739.97x = 193,988,747.71
  5. Step 5: Solve for x
    x = 193,988,747.71/15,739.97
  6. Step 6: Final answer
    x = 12,324.60

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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.