Home / 17,321.20-25,979.57-5,476.18

Finding the Fourth Proportional to 17,321.20, 25,979.57 and 5,476.18

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Solution

The fourth proportional to 17,321.20, 25,979.57 and 5,476.18 is: 8,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.20 : 25,979.57 = 5,476.18 : x
  2. Step 2: Convert to fraction form
    17,321.20/25,979.57 = 5,476.18/x
  3. Step 3: Cross multiply
    17,321.20x = 25,979.57 × 5,476.18
  4. Step 4: Simplify right side
    17,321.20x = 142,268,725.44
  5. Step 5: Solve for x
    x = 142,268,725.44/17,321.20
  6. Step 6: Final answer
    x = 8,213.56

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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.