Home / 20,175.50-30,268.11-6,324.50

Finding the Fourth Proportional to 20,175.50, 30,268.11 and 6,324.50

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Solution

The fourth proportional to 20,175.50, 30,268.11 and 6,324.50 is: 9,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.50 : 30,268.11 = 6,324.50 : x
  2. Step 2: Convert to fraction form
    20,175.50/30,268.11 = 6,324.50/x
  3. Step 3: Cross multiply
    20,175.50x = 30,268.11 × 6,324.50
  4. Step 4: Simplify right side
    20,175.50x = 191,430,661.70
  5. Step 5: Solve for x
    x = 191,430,661.70/20,175.50
  6. Step 6: Final answer
    x = 9,488.27

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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.