Home / 17,219.91-25,788.86-11,960.18

Finding the Fourth Proportional to 17,219.91, 25,788.86 and 11,960.18

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Solution

The fourth proportional to 17,219.91, 25,788.86 and 11,960.18 is: 17,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.91 : 25,788.86 = 11,960.18 : x
  2. Step 2: Convert to fraction form
    17,219.91/25,788.86 = 11,960.18/x
  3. Step 3: Cross multiply
    17,219.91x = 25,788.86 × 11,960.18
  4. Step 4: Simplify right side
    17,219.91x = 308,439,218.85
  5. Step 5: Solve for x
    x = 308,439,218.85/17,219.91
  6. Step 6: Final answer
    x = 17,911.78

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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.