Home / 11,581.74-17,372.58-8,134.38

Finding the Fourth Proportional to 11,581.74, 17,372.58 and 8,134.38

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Solution

The fourth proportional to 11,581.74, 17,372.58 and 8,134.38 is: 12,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.74 : 17,372.58 = 8,134.38 : x
  2. Step 2: Convert to fraction form
    11,581.74/17,372.58 = 8,134.38/x
  3. Step 3: Cross multiply
    11,581.74x = 17,372.58 × 8,134.38
  4. Step 4: Simplify right side
    11,581.74x = 141,315,167.30
  5. Step 5: Solve for x
    x = 141,315,167.30/11,581.74
  6. Step 6: Final answer
    x = 12,201.55

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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.