Home / 18,110.36-27,136.38-11,170.28

Finding the Fourth Proportional to 18,110.36, 27,136.38 and 11,170.28

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Solution

The fourth proportional to 18,110.36, 27,136.38 and 11,170.28 is: 16,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.36 : 27,136.38 = 11,170.28 : x
  2. Step 2: Convert to fraction form
    18,110.36/27,136.38 = 11,170.28/x
  3. Step 3: Cross multiply
    18,110.36x = 27,136.38 × 11,170.28
  4. Step 4: Simplify right side
    18,110.36x = 303,121,072.52
  5. Step 5: Solve for x
    x = 303,121,072.52/18,110.36
  6. Step 6: Final answer
    x = 16,737.44

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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.