Home / 18,538.05-27,793.87-8,671.95

Finding the Fourth Proportional to 18,538.05, 27,793.87 and 8,671.95

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Solution

The fourth proportional to 18,538.05, 27,793.87 and 8,671.95 is: 13,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.05 : 27,793.87 = 8,671.95 : x
  2. Step 2: Convert to fraction form
    18,538.05/27,793.87 = 8,671.95/x
  3. Step 3: Cross multiply
    18,538.05x = 27,793.87 × 8,671.95
  4. Step 4: Simplify right side
    18,538.05x = 241,027,050.95
  5. Step 5: Solve for x
    x = 241,027,050.95/18,538.05
  6. Step 6: Final answer
    x = 13,001.75

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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.