Home / 11,518.29-17,277.35-3,198.42

Finding the Fourth Proportional to 11,518.29, 17,277.35 and 3,198.42

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Solution

The fourth proportional to 11,518.29, 17,277.35 and 3,198.42 is: 4,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.29 : 17,277.35 = 3,198.42 : x
  2. Step 2: Convert to fraction form
    11,518.29/17,277.35 = 3,198.42/x
  3. Step 3: Cross multiply
    11,518.29x = 17,277.35 × 3,198.42
  4. Step 4: Simplify right side
    11,518.29x = 55,260,205.79
  5. Step 5: Solve for x
    x = 55,260,205.79/11,518.29
  6. Step 6: Final answer
    x = 4,797.61

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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.