Home / 10,821.03-16,233.23-3,424.78

Finding the Fourth Proportional to 10,821.03, 16,233.23 and 3,424.78

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Solution

The fourth proportional to 10,821.03, 16,233.23 and 3,424.78 is: 5,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.03 : 16,233.23 = 3,424.78 : x
  2. Step 2: Convert to fraction form
    10,821.03/16,233.23 = 3,424.78/x
  3. Step 3: Cross multiply
    10,821.03x = 16,233.23 × 3,424.78
  4. Step 4: Simplify right side
    10,821.03x = 55,595,241.44
  5. Step 5: Solve for x
    x = 55,595,241.44/10,821.03
  6. Step 6: Final answer
    x = 5,137.70

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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.