Home / 12,028.85-18,046.01-5,456.91

Finding the Fourth Proportional to 12,028.85, 18,046.01 and 5,456.91

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Solution

The fourth proportional to 12,028.85, 18,046.01 and 5,456.91 is: 8,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.85 : 18,046.01 = 5,456.91 : x
  2. Step 2: Convert to fraction form
    12,028.85/18,046.01 = 5,456.91/x
  3. Step 3: Cross multiply
    12,028.85x = 18,046.01 × 5,456.91
  4. Step 4: Simplify right side
    12,028.85x = 98,475,425.14
  5. Step 5: Solve for x
    x = 98,475,425.14/12,028.85
  6. Step 6: Final answer
    x = 8,186.61

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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.