Home / 20,104.59-30,159.54-7,452.60

Finding the Fourth Proportional to 20,104.59, 30,159.54 and 7,452.60

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Solution

The fourth proportional to 20,104.59, 30,159.54 and 7,452.60 is: 11,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.59 : 30,159.54 = 7,452.60 : x
  2. Step 2: Convert to fraction form
    20,104.59/30,159.54 = 7,452.60/x
  3. Step 3: Cross multiply
    20,104.59x = 30,159.54 × 7,452.60
  4. Step 4: Simplify right side
    20,104.59x = 224,766,987.80
  5. Step 5: Solve for x
    x = 224,766,987.80/20,104.59
  6. Step 6: Final answer
    x = 11,179.88

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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.