Home / 11,679.38-17,516.44-3,357.54

Finding the Fourth Proportional to 11,679.38, 17,516.44 and 3,357.54

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Solution

The fourth proportional to 11,679.38, 17,516.44 and 3,357.54 is: 5,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.38 : 17,516.44 = 3,357.54 : x
  2. Step 2: Convert to fraction form
    11,679.38/17,516.44 = 3,357.54/x
  3. Step 3: Cross multiply
    11,679.38x = 17,516.44 × 3,357.54
  4. Step 4: Simplify right side
    11,679.38x = 58,812,147.96
  5. Step 5: Solve for x
    x = 58,812,147.96/11,679.38
  6. Step 6: Final answer
    x = 5,035.55

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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.