Home / 12,469.48-18,707.30-3,704.38

Finding the Fourth Proportional to 12,469.48, 18,707.30 and 3,704.38

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Solution

The fourth proportional to 12,469.48, 18,707.30 and 3,704.38 is: 5,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.48 : 18,707.30 = 3,704.38 : x
  2. Step 2: Convert to fraction form
    12,469.48/18,707.30 = 3,704.38/x
  3. Step 3: Cross multiply
    12,469.48x = 18,707.30 × 3,704.38
  4. Step 4: Simplify right side
    12,469.48x = 69,298,896.58
  5. Step 5: Solve for x
    x = 69,298,896.58/12,469.48
  6. Step 6: Final answer
    x = 5,557.48

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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.