Home / 11,375.30-17,042.16-8,247.56

Finding the Fourth Proportional to 11,375.30, 17,042.16 and 8,247.56

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Solution

The fourth proportional to 11,375.30, 17,042.16 and 8,247.56 is: 12,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.30 : 17,042.16 = 8,247.56 : x
  2. Step 2: Convert to fraction form
    11,375.30/17,042.16 = 8,247.56/x
  3. Step 3: Cross multiply
    11,375.30x = 17,042.16 × 8,247.56
  4. Step 4: Simplify right side
    11,375.30x = 140,556,237.13
  5. Step 5: Solve for x
    x = 140,556,237.13/11,375.30
  6. Step 6: Final answer
    x = 12,356.27

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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.