Home / 11,323.87-16,982.31-3,425.68

Finding the Fourth Proportional to 11,323.87, 16,982.31 and 3,425.68

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Solution

The fourth proportional to 11,323.87, 16,982.31 and 3,425.68 is: 5,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.87 : 16,982.31 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    11,323.87/16,982.31 = 3,425.68/x
  3. Step 3: Cross multiply
    11,323.87x = 16,982.31 × 3,425.68
  4. Step 4: Simplify right side
    11,323.87x = 58,175,959.72
  5. Step 5: Solve for x
    x = 58,175,959.72/11,323.87
  6. Step 6: Final answer
    x = 5,137.46

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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.