Home / 9,127.13-13,691.57-4,198.14

Finding the Fourth Proportional to 9,127.13, 13,691.57 and 4,198.14

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Solution

The fourth proportional to 9,127.13, 13,691.57 and 4,198.14 is: 6,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.13 : 13,691.57 = 4,198.14 : x
  2. Step 2: Convert to fraction form
    9,127.13/13,691.57 = 4,198.14/x
  3. Step 3: Cross multiply
    9,127.13x = 13,691.57 × 4,198.14
  4. Step 4: Simplify right side
    9,127.13x = 57,479,106.69
  5. Step 5: Solve for x
    x = 57,479,106.69/9,127.13
  6. Step 6: Final answer
    x = 6,297.61

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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.