Home / 11,481.07-17,219.33-3,158.94

Finding the Fourth Proportional to 11,481.07, 17,219.33 and 3,158.94

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Solution

The fourth proportional to 11,481.07, 17,219.33 and 3,158.94 is: 4,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.07 : 17,219.33 = 3,158.94 : x
  2. Step 2: Convert to fraction form
    11,481.07/17,219.33 = 3,158.94/x
  3. Step 3: Cross multiply
    11,481.07x = 17,219.33 × 3,158.94
  4. Step 4: Simplify right side
    11,481.07x = 54,394,752.11
  5. Step 5: Solve for x
    x = 54,394,752.11/11,481.07
  6. Step 6: Final answer
    x = 4,737.78

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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.