Home / 20,202.12-30,293.46-8,508.96

Finding the Fourth Proportional to 20,202.12, 30,293.46 and 8,508.96

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Solution

The fourth proportional to 20,202.12, 30,293.46 and 8,508.96 is: 12,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.12 : 30,293.46 = 8,508.96 : x
  2. Step 2: Convert to fraction form
    20,202.12/30,293.46 = 8,508.96/x
  3. Step 3: Cross multiply
    20,202.12x = 30,293.46 × 8,508.96
  4. Step 4: Simplify right side
    20,202.12x = 257,765,839.40
  5. Step 5: Solve for x
    x = 257,765,839.40/20,202.12
  6. Step 6: Final answer
    x = 12,759.35

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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.