Home / 17,080.20-25,577.10-12,673.80

Finding the Fourth Proportional to 17,080.20, 25,577.10 and 12,673.80

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Solution

The fourth proportional to 17,080.20, 25,577.10 and 12,673.80 is: 18,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.20 : 25,577.10 = 12,673.80 : x
  2. Step 2: Convert to fraction form
    17,080.20/25,577.10 = 12,673.80/x
  3. Step 3: Cross multiply
    17,080.20x = 25,577.10 × 12,673.80
  4. Step 4: Simplify right side
    17,080.20x = 324,159,049.98
  5. Step 5: Solve for x
    x = 324,159,049.98/17,080.20
  6. Step 6: Final answer
    x = 18,978.64

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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.