Home / 20,144.97-30,216.42-6,104.43

Finding the Fourth Proportional to 20,144.97, 30,216.42 and 6,104.43

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Solution

The fourth proportional to 20,144.97, 30,216.42 and 6,104.43 is: 9,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.97 : 30,216.42 = 6,104.43 : x
  2. Step 2: Convert to fraction form
    20,144.97/30,216.42 = 6,104.43/x
  3. Step 3: Cross multiply
    20,144.97x = 30,216.42 × 6,104.43
  4. Step 4: Simplify right side
    20,144.97x = 184,454,020.74
  5. Step 5: Solve for x
    x = 184,454,020.74/20,144.97
  6. Step 6: Final answer
    x = 9,156.33

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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.