Home / 8,171.88-12,255.54-2,247.34

Finding the Fourth Proportional to 8,171.88, 12,255.54 and 2,247.34

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Solution

The fourth proportional to 8,171.88, 12,255.54 and 2,247.34 is: 3,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.88 : 12,255.54 = 2,247.34 : x
  2. Step 2: Convert to fraction form
    8,171.88/12,255.54 = 2,247.34/x
  3. Step 3: Cross multiply
    8,171.88x = 12,255.54 × 2,247.34
  4. Step 4: Simplify right side
    8,171.88x = 27,542,365.26
  5. Step 5: Solve for x
    x = 27,542,365.26/8,171.88
  6. Step 6: Final answer
    x = 3,370.38

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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.