Home / 18,162.96-27,249.29-7,072.84

Finding the Fourth Proportional to 18,162.96, 27,249.29 and 7,072.84

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Solution

The fourth proportional to 18,162.96, 27,249.29 and 7,072.84 is: 10,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.96 : 27,249.29 = 7,072.84 : x
  2. Step 2: Convert to fraction form
    18,162.96/27,249.29 = 7,072.84/x
  3. Step 3: Cross multiply
    18,162.96x = 27,249.29 × 7,072.84
  4. Step 4: Simplify right side
    18,162.96x = 192,729,868.28
  5. Step 5: Solve for x
    x = 192,729,868.28/18,162.96
  6. Step 6: Final answer
    x = 10,611.15

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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.