Home / 12,629.04-18,942.90-3,863.97

Finding the Fourth Proportional to 12,629.04, 18,942.90 and 3,863.97

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Solution

The fourth proportional to 12,629.04, 18,942.90 and 3,863.97 is: 5,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.04 : 18,942.90 = 3,863.97 : x
  2. Step 2: Convert to fraction form
    12,629.04/18,942.90 = 3,863.97/x
  3. Step 3: Cross multiply
    12,629.04x = 18,942.90 × 3,863.97
  4. Step 4: Simplify right side
    12,629.04x = 73,194,797.31
  5. Step 5: Solve for x
    x = 73,194,797.31/12,629.04
  6. Step 6: Final answer
    x = 5,795.75

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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.