Home / 18,270.27-27,373.19-12,997.44

Finding the Fourth Proportional to 18,270.27, 27,373.19 and 12,997.44

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Solution

The fourth proportional to 18,270.27, 27,373.19 and 12,997.44 is: 19,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.27 : 27,373.19 = 12,997.44 : x
  2. Step 2: Convert to fraction form
    18,270.27/27,373.19 = 12,997.44/x
  3. Step 3: Cross multiply
    18,270.27x = 27,373.19 × 12,997.44
  4. Step 4: Simplify right side
    18,270.27x = 355,781,329.65
  5. Step 5: Solve for x
    x = 355,781,329.65/18,270.27
  6. Step 6: Final answer
    x = 19,473.24

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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.