Home / 17,197.20-25,799.40-5,511.60

Finding the Fourth Proportional to 17,197.20, 25,799.40 and 5,511.60

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Solution

The fourth proportional to 17,197.20, 25,799.40 and 5,511.60 is: 8,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.20 : 25,799.40 = 5,511.60 : x
  2. Step 2: Convert to fraction form
    17,197.20/25,799.40 = 5,511.60/x
  3. Step 3: Cross multiply
    17,197.20x = 25,799.40 × 5,511.60
  4. Step 4: Simplify right side
    17,197.20x = 142,195,973.04
  5. Step 5: Solve for x
    x = 142,195,973.04/17,197.20
  6. Step 6: Final answer
    x = 8,268.55

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Similar ratio
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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.