Home / 17,080.20-25,630.56-7,218.72

Finding the Fourth Proportional to 17,080.20, 25,630.56 and 7,218.72

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Solution

The fourth proportional to 17,080.20, 25,630.56 and 7,218.72 is: 10,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.20 : 25,630.56 = 7,218.72 : x
  2. Step 2: Convert to fraction form
    17,080.20/25,630.56 = 7,218.72/x
  3. Step 3: Cross multiply
    17,080.20x = 25,630.56 × 7,218.72
  4. Step 4: Simplify right side
    17,080.20x = 185,019,836.08
  5. Step 5: Solve for x
    x = 185,019,836.08/17,080.20
  6. Step 6: Final answer
    x = 10,832.42

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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.