Home / 12,040.73-18,062.82-3,721.47

Finding the Fourth Proportional to 12,040.73, 18,062.82 and 3,721.47

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Solution

The fourth proportional to 12,040.73, 18,062.82 and 3,721.47 is: 5,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.73 : 18,062.82 = 3,721.47 : x
  2. Step 2: Convert to fraction form
    12,040.73/18,062.82 = 3,721.47/x
  3. Step 3: Cross multiply
    12,040.73x = 18,062.82 × 3,721.47
  4. Step 4: Simplify right side
    12,040.73x = 67,220,242.75
  5. Step 5: Solve for x
    x = 67,220,242.75/12,040.73
  6. Step 6: Final answer
    x = 5,582.74

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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.