Home / 11,220.85-16,823.17-3,425.41

Finding the Fourth Proportional to 11,220.85, 16,823.17 and 3,425.41

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Solution

The fourth proportional to 11,220.85, 16,823.17 and 3,425.41 is: 5,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.85 : 16,823.17 = 3,425.41 : x
  2. Step 2: Convert to fraction form
    11,220.85/16,823.17 = 3,425.41/x
  3. Step 3: Cross multiply
    11,220.85x = 16,823.17 × 3,425.41
  4. Step 4: Simplify right side
    11,220.85x = 57,626,254.75
  5. Step 5: Solve for x
    x = 57,626,254.75/11,220.85
  6. Step 6: Final answer
    x = 5,135.64

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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.