Home / 11,223.13-16,834.74-3,431.92

Finding the Fourth Proportional to 11,223.13, 16,834.74 and 3,431.92

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Solution

The fourth proportional to 11,223.13, 16,834.74 and 3,431.92 is: 5,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.13 : 16,834.74 = 3,431.92 : x
  2. Step 2: Convert to fraction form
    11,223.13/16,834.74 = 3,431.92/x
  3. Step 3: Cross multiply
    11,223.13x = 16,834.74 × 3,431.92
  4. Step 4: Simplify right side
    11,223.13x = 57,775,480.90
  5. Step 5: Solve for x
    x = 57,775,480.90/11,223.13
  6. Step 6: Final answer
    x = 5,147.89

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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.