Home / 19,839.11-27,377.97-11,341.42

Finding the Fourth Proportional to 19,839.11, 27,377.97 and 11,341.42

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Solution

The fourth proportional to 19,839.11, 27,377.97 and 11,341.42 is: 15,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.11 : 27,377.97 = 11,341.42 : x
  2. Step 2: Convert to fraction form
    19,839.11/27,377.97 = 11,341.42/x
  3. Step 3: Cross multiply
    19,839.11x = 27,377.97 × 11,341.42
  4. Step 4: Simplify right side
    19,839.11x = 310,505,056.52
  5. Step 5: Solve for x
    x = 310,505,056.52/19,839.11
  6. Step 6: Final answer
    x = 15,651.16

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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.