Home / 20,170.22-30,259.44-7,023.62

Finding the Fourth Proportional to 20,170.22, 30,259.44 and 7,023.62

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Solution

The fourth proportional to 20,170.22, 30,259.44 and 7,023.62 is: 10,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.22 : 30,259.44 = 7,023.62 : x
  2. Step 2: Convert to fraction form
    20,170.22/30,259.44 = 7,023.62/x
  3. Step 3: Cross multiply
    20,170.22x = 30,259.44 × 7,023.62
  4. Step 4: Simplify right side
    20,170.22x = 212,530,772.85
  5. Step 5: Solve for x
    x = 212,530,772.85/20,170.22
  6. Step 6: Final answer
    x = 10,536.86

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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.