Home / 11,485.76-17,229.06-3,166.44

Finding the Fourth Proportional to 11,485.76, 17,229.06 and 3,166.44

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Solution

The fourth proportional to 11,485.76, 17,229.06 and 3,166.44 is: 4,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.76 : 17,229.06 = 3,166.44 : x
  2. Step 2: Convert to fraction form
    11,485.76/17,229.06 = 3,166.44/x
  3. Step 3: Cross multiply
    11,485.76x = 17,229.06 × 3,166.44
  4. Step 4: Simplify right side
    11,485.76x = 54,554,784.75
  5. Step 5: Solve for x
    x = 54,554,784.75/11,485.76
  6. Step 6: Final answer
    x = 4,749.78

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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.