Home / 11,942.39-17,913.56-3,177.31

Finding the Fourth Proportional to 11,942.39, 17,913.56 and 3,177.31

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Solution

The fourth proportional to 11,942.39, 17,913.56 and 3,177.31 is: 4,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.39 : 17,913.56 = 3,177.31 : x
  2. Step 2: Convert to fraction form
    11,942.39/17,913.56 = 3,177.31/x
  3. Step 3: Cross multiply
    11,942.39x = 17,913.56 × 3,177.31
  4. Step 4: Simplify right side
    11,942.39x = 56,916,851.70
  5. Step 5: Solve for x
    x = 56,916,851.70/11,942.39
  6. Step 6: Final answer
    x = 4,765.95

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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.