Home / 12,648.44-18,972.66-3,883.43

Finding the Fourth Proportional to 12,648.44, 18,972.66 and 3,883.43

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Solution

The fourth proportional to 12,648.44, 18,972.66 and 3,883.43 is: 5,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.44 : 18,972.66 = 3,883.43 : x
  2. Step 2: Convert to fraction form
    12,648.44/18,972.66 = 3,883.43/x
  3. Step 3: Cross multiply
    12,648.44x = 18,972.66 × 3,883.43
  4. Step 4: Simplify right side
    12,648.44x = 73,678,902.16
  5. Step 5: Solve for x
    x = 73,678,902.16/12,648.44
  6. Step 6: Final answer
    x = 5,825.14

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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.