Home / 11,912.22-17,865.90-4,514.13

Finding the Fourth Proportional to 11,912.22, 17,865.90 and 4,514.13

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Solution

The fourth proportional to 11,912.22, 17,865.90 and 4,514.13 is: 6,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.22 : 17,865.90 = 4,514.13 : x
  2. Step 2: Convert to fraction form
    11,912.22/17,865.90 = 4,514.13/x
  3. Step 3: Cross multiply
    11,912.22x = 17,865.90 × 4,514.13
  4. Step 4: Simplify right side
    11,912.22x = 80,648,995.17
  5. Step 5: Solve for x
    x = 80,648,995.17/11,912.22
  6. Step 6: Final answer
    x = 6,770.27

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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.