Home / 12,207.73-18,309.97-3,443.35

Finding the Fourth Proportional to 12,207.73, 18,309.97 and 3,443.35

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Solution

The fourth proportional to 12,207.73, 18,309.97 and 3,443.35 is: 5,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.73 : 18,309.97 = 3,443.35 : x
  2. Step 2: Convert to fraction form
    12,207.73/18,309.97 = 3,443.35/x
  3. Step 3: Cross multiply
    12,207.73x = 18,309.97 × 3,443.35
  4. Step 4: Simplify right side
    12,207.73x = 63,047,635.20
  5. Step 5: Solve for x
    x = 63,047,635.20/12,207.73
  6. Step 6: Final answer
    x = 5,164.57

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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.