Home / 10,865.09-16,299.00-3,843.45

Finding the Fourth Proportional to 10,865.09, 16,299.00 and 3,843.45

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Solution

The fourth proportional to 10,865.09, 16,299.00 and 3,843.45 is: 5,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.09 : 16,299.00 = 3,843.45 : x
  2. Step 2: Convert to fraction form
    10,865.09/16,299.00 = 3,843.45/x
  3. Step 3: Cross multiply
    10,865.09x = 16,299.00 × 3,843.45
  4. Step 4: Simplify right side
    10,865.09x = 62,644,380.74
  5. Step 5: Solve for x
    x = 62,644,380.74/10,865.09
  6. Step 6: Final answer
    x = 5,765.66

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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.