Home / 12,026.72-18,040.69-3,712.43

Finding the Fourth Proportional to 12,026.72, 18,040.69 and 3,712.43

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Solution

The fourth proportional to 12,026.72, 18,040.69 and 3,712.43 is: 5,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.72 : 18,040.69 = 3,712.43 : x
  2. Step 2: Convert to fraction form
    12,026.72/18,040.69 = 3,712.43/x
  3. Step 3: Cross multiply
    12,026.72x = 18,040.69 × 3,712.43
  4. Step 4: Simplify right side
    12,026.72x = 66,974,747.04
  5. Step 5: Solve for x
    x = 66,974,747.04/12,026.72
  6. Step 6: Final answer
    x = 5,568.83

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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.