Home / 22,781.82-34,160.58-11,684.01

Finding the Fourth Proportional to 22,781.82, 34,160.58 and 11,684.01

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Solution

The fourth proportional to 22,781.82, 34,160.58 and 11,684.01 is: 17,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.82 : 34,160.58 = 11,684.01 : x
  2. Step 2: Convert to fraction form
    22,781.82/34,160.58 = 11,684.01/x
  3. Step 3: Cross multiply
    22,781.82x = 34,160.58 × 11,684.01
  4. Step 4: Simplify right side
    22,781.82x = 399,132,558.33
  5. Step 5: Solve for x
    x = 399,132,558.33/22,781.82
  6. Step 6: Final answer
    x = 17,519.78

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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.