Home / 20,103.50-30,160.11-6,252.50

Finding the Fourth Proportional to 20,103.50, 30,160.11 and 6,252.50

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Solution

The fourth proportional to 20,103.50, 30,160.11 and 6,252.50 is: 9,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.50 : 30,160.11 = 6,252.50 : x
  2. Step 2: Convert to fraction form
    20,103.50/30,160.11 = 6,252.50/x
  3. Step 3: Cross multiply
    20,103.50x = 30,160.11 × 6,252.50
  4. Step 4: Simplify right side
    20,103.50x = 188,576,087.78
  5. Step 5: Solve for x
    x = 188,576,087.78/20,103.50
  6. Step 6: Final answer
    x = 9,380.26

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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.