Home / 11,208.80-16,821.30-6,273.20

Finding the Fourth Proportional to 11,208.80, 16,821.30 and 6,273.20

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Solution

The fourth proportional to 11,208.80, 16,821.30 and 6,273.20 is: 9,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.80 : 16,821.30 = 6,273.20 : x
  2. Step 2: Convert to fraction form
    11,208.80/16,821.30 = 6,273.20/x
  3. Step 3: Cross multiply
    11,208.80x = 16,821.30 × 6,273.20
  4. Step 4: Simplify right side
    11,208.80x = 105,523,379.16
  5. Step 5: Solve for x
    x = 105,523,379.16/11,208.80
  6. Step 6: Final answer
    x = 9,414.33

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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.