Home / 11,738.67-17,609.15-3,418.75

Finding the Fourth Proportional to 11,738.67, 17,609.15 and 3,418.75

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Solution

The fourth proportional to 11,738.67, 17,609.15 and 3,418.75 is: 5,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.67 : 17,609.15 = 3,418.75 : x
  2. Step 2: Convert to fraction form
    11,738.67/17,609.15 = 3,418.75/x
  3. Step 3: Cross multiply
    11,738.67x = 17,609.15 × 3,418.75
  4. Step 4: Simplify right side
    11,738.67x = 60,201,281.56
  5. Step 5: Solve for x
    x = 60,201,281.56/11,738.67
  6. Step 6: Final answer
    x = 5,128.46

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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.