Home / 18,091.44-27,138.78-6,404.76

Finding the Fourth Proportional to 18,091.44, 27,138.78 and 6,404.76

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Solution

The fourth proportional to 18,091.44, 27,138.78 and 6,404.76 is: 9,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.44 : 27,138.78 = 6,404.76 : x
  2. Step 2: Convert to fraction form
    18,091.44/27,138.78 = 6,404.76/x
  3. Step 3: Cross multiply
    18,091.44x = 27,138.78 × 6,404.76
  4. Step 4: Simplify right side
    18,091.44x = 173,817,372.59
  5. Step 5: Solve for x
    x = 173,817,372.59/18,091.44
  6. Step 6: Final answer
    x = 9,607.71

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1.5x scale

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.