Home / 17,512.30-26,253.66-8,147.48

Finding the Fourth Proportional to 17,512.30, 26,253.66 and 8,147.48

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Solution

The fourth proportional to 17,512.30, 26,253.66 and 8,147.48 is: 12,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.30 : 26,253.66 = 8,147.48 : x
  2. Step 2: Convert to fraction form
    17,512.30/26,253.66 = 8,147.48/x
  3. Step 3: Cross multiply
    17,512.30x = 26,253.66 × 8,147.48
  4. Step 4: Simplify right side
    17,512.30x = 213,901,169.78
  5. Step 5: Solve for x
    x = 213,901,169.78/17,512.30
  6. Step 6: Final answer
    x = 12,214.34

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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.