Home / 12,672.35-17,469.22-8,884.04

Finding the Fourth Proportional to 12,672.35, 17,469.22 and 8,884.04

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Solution

The fourth proportional to 12,672.35, 17,469.22 and 8,884.04 is: 12,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.35 : 17,469.22 = 8,884.04 : x
  2. Step 2: Convert to fraction form
    12,672.35/17,469.22 = 8,884.04/x
  3. Step 3: Cross multiply
    12,672.35x = 17,469.22 × 8,884.04
  4. Step 4: Simplify right side
    12,672.35x = 155,197,204.83
  5. Step 5: Solve for x
    x = 155,197,204.83/12,672.35
  6. Step 6: Final answer
    x = 12,246.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.