Home / 16,827.91-25,239.11-11,882.55

Finding the Fourth Proportional to 16,827.91, 25,239.11 and 11,882.55

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Solution

The fourth proportional to 16,827.91, 25,239.11 and 11,882.55 is: 17,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.91 : 25,239.11 = 11,882.55 : x
  2. Step 2: Convert to fraction form
    16,827.91/25,239.11 = 11,882.55/x
  3. Step 3: Cross multiply
    16,827.91x = 25,239.11 × 11,882.55
  4. Step 4: Simplify right side
    16,827.91x = 299,904,986.53
  5. Step 5: Solve for x
    x = 299,904,986.53/16,827.91
  6. Step 6: Final answer
    x = 17,821.88

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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.