Home / 11,466.58-17,198.70-3,147.43

Finding the Fourth Proportional to 11,466.58, 17,198.70 and 3,147.43

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Solution

The fourth proportional to 11,466.58, 17,198.70 and 3,147.43 is: 4,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.58 : 17,198.70 = 3,147.43 : x
  2. Step 2: Convert to fraction form
    11,466.58/17,198.70 = 3,147.43/x
  3. Step 3: Cross multiply
    11,466.58x = 17,198.70 × 3,147.43
  4. Step 4: Simplify right side
    11,466.58x = 54,131,704.34
  5. Step 5: Solve for x
    x = 54,131,704.34/11,466.58
  6. Step 6: Final answer
    x = 4,720.82

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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.