Home / 11,324.55-16,986.03-3,427.35

Finding the Fourth Proportional to 11,324.55, 16,986.03 and 3,427.35

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Solution

The fourth proportional to 11,324.55, 16,986.03 and 3,427.35 is: 5,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.55 : 16,986.03 = 3,427.35 : x
  2. Step 2: Convert to fraction form
    11,324.55/16,986.03 = 3,427.35/x
  3. Step 3: Cross multiply
    11,324.55x = 16,986.03 × 3,427.35
  4. Step 4: Simplify right side
    11,324.55x = 58,217,069.92
  5. Step 5: Solve for x
    x = 58,217,069.92/11,324.55
  6. Step 6: Final answer
    x = 5,140.78

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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.