Home / 20,194.31-30,292.97-6,155.55

Finding the Fourth Proportional to 20,194.31, 30,292.97 and 6,155.55

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Solution

The fourth proportional to 20,194.31, 30,292.97 and 6,155.55 is: 9,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.31 : 30,292.97 = 6,155.55 : x
  2. Step 2: Convert to fraction form
    20,194.31/30,292.97 = 6,155.55/x
  3. Step 3: Cross multiply
    20,194.31x = 30,292.97 × 6,155.55
  4. Step 4: Simplify right side
    20,194.31x = 186,469,860.71
  5. Step 5: Solve for x
    x = 186,469,860.71/20,194.31
  6. Step 6: Final answer
    x = 9,233.78

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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.