Home / 17,118.90-25,634.61-15,165.18

Finding the Fourth Proportional to 17,118.90, 25,634.61 and 15,165.18

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Solution

The fourth proportional to 17,118.90, 25,634.61 and 15,165.18 is: 22,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.90 : 25,634.61 = 15,165.18 : x
  2. Step 2: Convert to fraction form
    17,118.90/25,634.61 = 15,165.18/x
  3. Step 3: Cross multiply
    17,118.90x = 25,634.61 × 15,165.18
  4. Step 4: Simplify right side
    17,118.90x = 388,753,474.88
  5. Step 5: Solve for x
    x = 388,753,474.88/17,118.90
  6. Step 6: Final answer
    x = 22,709.02

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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.