Home / 17,179.88-25,778.46-12,806.12

Finding the Fourth Proportional to 17,179.88, 25,778.46 and 12,806.12

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Solution

The fourth proportional to 17,179.88, 25,778.46 and 12,806.12 is: 19,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.88 : 25,778.46 = 12,806.12 : x
  2. Step 2: Convert to fraction form
    17,179.88/25,778.46 = 12,806.12/x
  3. Step 3: Cross multiply
    17,179.88x = 25,778.46 × 12,806.12
  4. Step 4: Simplify right side
    17,179.88x = 330,122,052.18
  5. Step 5: Solve for x
    x = 330,122,052.18/17,179.88
  6. Step 6: Final answer
    x = 19,215.62

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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.