Home / 11,938.52-17,907.24-4,147.94

Finding the Fourth Proportional to 11,938.52, 17,907.24 and 4,147.94

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Solution

The fourth proportional to 11,938.52, 17,907.24 and 4,147.94 is: 6,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.52 : 17,907.24 = 4,147.94 : x
  2. Step 2: Convert to fraction form
    11,938.52/17,907.24 = 4,147.94/x
  3. Step 3: Cross multiply
    11,938.52x = 17,907.24 × 4,147.94
  4. Step 4: Simplify right side
    11,938.52x = 74,278,157.09
  5. Step 5: Solve for x
    x = 74,278,157.09/11,938.52
  6. Step 6: Final answer
    x = 6,221.72

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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.