Home / 11,481.44-17,222.12-4,086.18

Finding the Fourth Proportional to 11,481.44, 17,222.12 and 4,086.18

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Solution

The fourth proportional to 11,481.44, 17,222.12 and 4,086.18 is: 6,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.44 : 17,222.12 = 4,086.18 : x
  2. Step 2: Convert to fraction form
    11,481.44/17,222.12 = 4,086.18/x
  3. Step 3: Cross multiply
    11,481.44x = 17,222.12 × 4,086.18
  4. Step 4: Simplify right side
    11,481.44x = 70,372,682.30
  5. Step 5: Solve for x
    x = 70,372,682.30/11,481.44
  6. Step 6: Final answer
    x = 6,129.26

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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.