Home / 11,481.30-17,222.22-3,161.34

Finding the Fourth Proportional to 11,481.30, 17,222.22 and 3,161.34

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Solution

The fourth proportional to 11,481.30, 17,222.22 and 3,161.34 is: 4,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.30 : 17,222.22 = 3,161.34 : x
  2. Step 2: Convert to fraction form
    11,481.30/17,222.22 = 3,161.34/x
  3. Step 3: Cross multiply
    11,481.30x = 17,222.22 × 3,161.34
  4. Step 4: Simplify right side
    11,481.30x = 54,445,292.97
  5. Step 5: Solve for x
    x = 54,445,292.97/11,481.30
  6. Step 6: Final answer
    x = 4,742.08

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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.