Home / 20,489.13-30,714.26-7,334.73

Finding the Fourth Proportional to 20,489.13, 30,714.26 and 7,334.73

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Solution

The fourth proportional to 20,489.13, 30,714.26 and 7,334.73 is: 10,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489.13 : 30,714.26 = 7,334.73 : x
  2. Step 2: Convert to fraction form
    20,489.13/30,714.26 = 7,334.73/x
  3. Step 3: Cross multiply
    20,489.13x = 30,714.26 × 7,334.73
  4. Step 4: Simplify right side
    20,489.13x = 225,280,767.58
  5. Step 5: Solve for x
    x = 225,280,767.58/20,489.13
  6. Step 6: Final answer
    x = 10,995.14

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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.