Home / 11,934.06-17,781.16-11,263.38

Finding the Fourth Proportional to 11,934.06, 17,781.16 and 11,263.38

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Solution

The fourth proportional to 11,934.06, 17,781.16 and 11,263.38 is: 16,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.06 : 17,781.16 = 11,263.38 : x
  2. Step 2: Convert to fraction form
    11,934.06/17,781.16 = 11,263.38/x
  3. Step 3: Cross multiply
    11,934.06x = 17,781.16 × 11,263.38
  4. Step 4: Simplify right side
    11,934.06x = 200,275,844.86
  5. Step 5: Solve for x
    x = 200,275,844.86/11,934.06
  6. Step 6: Final answer
    x = 16,781.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.