Home / 11,977.45-17,974.38-4,186.27

Finding the Fourth Proportional to 11,977.45, 17,974.38 and 4,186.27

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Solution

The fourth proportional to 11,977.45, 17,974.38 and 4,186.27 is: 6,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.45 : 17,974.38 = 4,186.27 : x
  2. Step 2: Convert to fraction form
    11,977.45/17,974.38 = 4,186.27/x
  3. Step 3: Cross multiply
    11,977.45x = 17,974.38 × 4,186.27
  4. Step 4: Simplify right side
    11,977.45x = 75,245,607.76
  5. Step 5: Solve for x
    x = 75,245,607.76/11,977.45
  6. Step 6: Final answer
    x = 6,282.27

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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.