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Finding the Fourth Proportional to 20,544, 30,818.43 and 6,693

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Solution

The fourth proportional to 20,544, 30,818.43 and 6,693 is: 10,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544 : 30,818.43 = 6,693 : x
  2. Step 2: Convert to fraction form
    20,544/30,818.43 = 6,693/x
  3. Step 3: Cross multiply
    20,544x = 30,818.43 × 6,693
  4. Step 4: Simplify right side
    20,544x = 206,267,751.99
  5. Step 5: Solve for x
    x = 206,267,751.99/20,544
  6. Step 6: Final answer
    x = 10,040.29

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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.