Home / 16,855.28-23,233.84-11,540.88

Finding the Fourth Proportional to 16,855.28, 23,233.84 and 11,540.88

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Solution

The fourth proportional to 16,855.28, 23,233.84 and 11,540.88 is: 15,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.28 : 23,233.84 = 11,540.88 : x
  2. Step 2: Convert to fraction form
    16,855.28/23,233.84 = 11,540.88/x
  3. Step 3: Cross multiply
    16,855.28x = 23,233.84 × 11,540.88
  4. Step 4: Simplify right side
    16,855.28x = 268,138,959.38
  5. Step 5: Solve for x
    x = 268,138,959.38/16,855.28
  6. Step 6: Final answer
    x = 15,908.31

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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.