Home / 18,436.76-27,633.25-10,120.69

Finding the Fourth Proportional to 18,436.76, 27,633.25 and 10,120.69

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Solution

The fourth proportional to 18,436.76, 27,633.25 and 10,120.69 is: 15,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.76 : 27,633.25 = 10,120.69 : x
  2. Step 2: Convert to fraction form
    18,436.76/27,633.25 = 10,120.69/x
  3. Step 3: Cross multiply
    18,436.76x = 27,633.25 × 10,120.69
  4. Step 4: Simplify right side
    18,436.76x = 279,667,556.94
  5. Step 5: Solve for x
    x = 279,667,556.94/18,436.76
  6. Step 6: Final answer
    x = 15,169.02

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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.