Home / 12,252.18-18,371.04-5,228.61

Finding the Fourth Proportional to 12,252.18, 18,371.04 and 5,228.61

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Solution

The fourth proportional to 12,252.18, 18,371.04 and 5,228.61 is: 7,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.18 : 18,371.04 = 5,228.61 : x
  2. Step 2: Convert to fraction form
    12,252.18/18,371.04 = 5,228.61/x
  3. Step 3: Cross multiply
    12,252.18x = 18,371.04 × 5,228.61
  4. Step 4: Simplify right side
    12,252.18x = 96,055,003.45
  5. Step 5: Solve for x
    x = 96,055,003.45/12,252.18
  6. Step 6: Final answer
    x = 7,839.83

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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.