Home / 18,588.17-25,645.43-11,877.73

Finding the Fourth Proportional to 18,588.17, 25,645.43 and 11,877.73

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Solution

The fourth proportional to 18,588.17, 25,645.43 and 11,877.73 is: 16,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.17 : 25,645.43 = 11,877.73 : x
  2. Step 2: Convert to fraction form
    18,588.17/25,645.43 = 11,877.73/x
  3. Step 3: Cross multiply
    18,588.17x = 25,645.43 × 11,877.73
  4. Step 4: Simplify right side
    18,588.17x = 304,609,458.85
  5. Step 5: Solve for x
    x = 304,609,458.85/18,588.17
  6. Step 6: Final answer
    x = 16,387.27

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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.