Home / 20,091.14-30,125.37-8,241.62

Finding the Fourth Proportional to 20,091.14, 30,125.37 and 8,241.62

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Solution

The fourth proportional to 20,091.14, 30,125.37 and 8,241.62 is: 12,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.14 : 30,125.37 = 8,241.62 : x
  2. Step 2: Convert to fraction form
    20,091.14/30,125.37 = 8,241.62/x
  3. Step 3: Cross multiply
    20,091.14x = 30,125.37 × 8,241.62
  4. Step 4: Simplify right side
    20,091.14x = 248,281,851.90
  5. Step 5: Solve for x
    x = 248,281,851.90/20,091.14
  6. Step 6: Final answer
    x = 12,357.78

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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.