Home / 20,023.45-30,002.19-6,868.60

Finding the Fourth Proportional to 20,023.45, 30,002.19 and 6,868.60

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Solution

The fourth proportional to 20,023.45, 30,002.19 and 6,868.60 is: 10,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.45 : 30,002.19 = 6,868.60 : x
  2. Step 2: Convert to fraction form
    20,023.45/30,002.19 = 6,868.60/x
  3. Step 3: Cross multiply
    20,023.45x = 30,002.19 × 6,868.60
  4. Step 4: Simplify right side
    20,023.45x = 206,073,042.23
  5. Step 5: Solve for x
    x = 206,073,042.23/20,023.45
  6. Step 6: Final answer
    x = 10,291.59

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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.