Home / 13,230.47-19,843.80-3,369.14

Finding the Fourth Proportional to 13,230.47, 19,843.80 and 3,369.14

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Solution

The fourth proportional to 13,230.47, 19,843.80 and 3,369.14 is: 5,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.47 : 19,843.80 = 3,369.14 : x
  2. Step 2: Convert to fraction form
    13,230.47/19,843.80 = 3,369.14/x
  3. Step 3: Cross multiply
    13,230.47x = 19,843.80 × 3,369.14
  4. Step 4: Simplify right side
    13,230.47x = 66,856,540.33
  5. Step 5: Solve for x
    x = 66,856,540.33/13,230.47
  6. Step 6: Final answer
    x = 5,053.22

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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.