Home / 18,654.24-27,974.64-6,171.96

Finding the Fourth Proportional to 18,654.24, 27,974.64 and 6,171.96

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Solution

The fourth proportional to 18,654.24, 27,974.64 and 6,171.96 is: 9,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.24 : 27,974.64 = 6,171.96 : x
  2. Step 2: Convert to fraction form
    18,654.24/27,974.64 = 6,171.96/x
  3. Step 3: Cross multiply
    18,654.24x = 27,974.64 × 6,171.96
  4. Step 4: Simplify right side
    18,654.24x = 172,658,359.09
  5. Step 5: Solve for x
    x = 172,658,359.09/18,654.24
  6. Step 6: Final answer
    x = 9,255.72

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1.5x scale

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.