Home / 11,556.76-17,331.42-3,763.75

Finding the Fourth Proportional to 11,556.76, 17,331.42 and 3,763.75

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Solution

The fourth proportional to 11,556.76, 17,331.42 and 3,763.75 is: 5,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.76 : 17,331.42 = 3,763.75 : x
  2. Step 2: Convert to fraction form
    11,556.76/17,331.42 = 3,763.75/x
  3. Step 3: Cross multiply
    11,556.76x = 17,331.42 × 3,763.75
  4. Step 4: Simplify right side
    11,556.76x = 65,231,132.03
  5. Step 5: Solve for x
    x = 65,231,132.03/11,556.76
  6. Step 6: Final answer
    x = 5,644.41

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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.