Home / 18,162.36-27,250.74-7,072.38

Finding the Fourth Proportional to 18,162.36, 27,250.74 and 7,072.38

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Solution

The fourth proportional to 18,162.36, 27,250.74 and 7,072.38 is: 10,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.36 : 27,250.74 = 7,072.38 : x
  2. Step 2: Convert to fraction form
    18,162.36/27,250.74 = 7,072.38/x
  3. Step 3: Cross multiply
    18,162.36x = 27,250.74 × 7,072.38
  4. Step 4: Simplify right side
    18,162.36x = 192,727,588.56
  5. Step 5: Solve for x
    x = 192,727,588.56/18,162.36
  6. Step 6: Final answer
    x = 10,611.37

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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.