Home / 13,451.04-20,149.20-9,951.48

Finding the Fourth Proportional to 13,451.04, 20,149.20 and 9,951.48

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Solution

The fourth proportional to 13,451.04, 20,149.20 and 9,951.48 is: 14,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.04 : 20,149.20 = 9,951.48 : x
  2. Step 2: Convert to fraction form
    13,451.04/20,149.20 = 9,951.48/x
  3. Step 3: Cross multiply
    13,451.04x = 20,149.20 × 9,951.48
  4. Step 4: Simplify right side
    13,451.04x = 200,514,360.82
  5. Step 5: Solve for x
    x = 200,514,360.82/13,451.04
  6. Step 6: Final answer
    x = 14,906.98

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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.