Home / 13,400.25-20,101.17-4,514.84

Finding the Fourth Proportional to 13,400.25, 20,101.17 and 4,514.84

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Solution

The fourth proportional to 13,400.25, 20,101.17 and 4,514.84 is: 6,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.25 : 20,101.17 = 4,514.84 : x
  2. Step 2: Convert to fraction form
    13,400.25/20,101.17 = 4,514.84/x
  3. Step 3: Cross multiply
    13,400.25x = 20,101.17 × 4,514.84
  4. Step 4: Simplify right side
    13,400.25x = 90,753,566.36
  5. Step 5: Solve for x
    x = 90,753,566.36/13,400.25
  6. Step 6: Final answer
    x = 6,772.53

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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.