Home / 18,169.37-27,234.45-8,789.57

Finding the Fourth Proportional to 18,169.37, 27,234.45 and 8,789.57

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Solution

The fourth proportional to 18,169.37, 27,234.45 and 8,789.57 is: 13,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.37 : 27,234.45 = 8,789.57 : x
  2. Step 2: Convert to fraction form
    18,169.37/27,234.45 = 8,789.57/x
  3. Step 3: Cross multiply
    18,169.37x = 27,234.45 × 8,789.57
  4. Step 4: Simplify right side
    18,169.37x = 239,378,968.51
  5. Step 5: Solve for x
    x = 239,378,968.51/18,169.37
  6. Step 6: Final answer
    x = 13,174.87

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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.