Home / 20,189.67-30,286.04-6,150.88

Finding the Fourth Proportional to 20,189.67, 30,286.04 and 6,150.88

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Solution

The fourth proportional to 20,189.67, 30,286.04 and 6,150.88 is: 9,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.67 : 30,286.04 = 6,150.88 : x
  2. Step 2: Convert to fraction form
    20,189.67/30,286.04 = 6,150.88/x
  3. Step 3: Cross multiply
    20,189.67x = 30,286.04 × 6,150.88
  4. Step 4: Simplify right side
    20,189.67x = 186,285,797.72
  5. Step 5: Solve for x
    x = 186,285,797.72/20,189.67
  6. Step 6: Final answer
    x = 9,226.79

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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.