Home / 18,335.41-27,493.85-8,961.39

Finding the Fourth Proportional to 18,335.41, 27,493.85 and 8,961.39

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Solution

The fourth proportional to 18,335.41, 27,493.85 and 8,961.39 is: 13,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.41 : 27,493.85 = 8,961.39 : x
  2. Step 2: Convert to fraction form
    18,335.41/27,493.85 = 8,961.39/x
  3. Step 3: Cross multiply
    18,335.41x = 27,493.85 × 8,961.39
  4. Step 4: Simplify right side
    18,335.41x = 246,383,134.85
  5. Step 5: Solve for x
    x = 246,383,134.85/18,335.41
  6. Step 6: Final answer
    x = 13,437.56

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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.