Home / 20,209.96-30,310.62-6,355.88

Finding the Fourth Proportional to 20,209.96, 30,310.62 and 6,355.88

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Solution

The fourth proportional to 20,209.96, 30,310.62 and 6,355.88 is: 9,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.96 : 30,310.62 = 6,355.88 : x
  2. Step 2: Convert to fraction form
    20,209.96/30,310.62 = 6,355.88/x
  3. Step 3: Cross multiply
    20,209.96x = 30,310.62 × 6,355.88
  4. Step 4: Simplify right side
    20,209.96x = 192,650,663.45
  5. Step 5: Solve for x
    x = 192,650,663.45/20,209.96
  6. Step 6: Final answer
    x = 9,532.46

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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.