Home / 18,389.44-25,377.60-10,936

Finding the Fourth Proportional to 18,389.44, 25,377.60 and 10,936

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Solution

The fourth proportional to 18,389.44, 25,377.60 and 10,936 is: 15,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.44 : 25,377.60 = 10,936 : x
  2. Step 2: Convert to fraction form
    18,389.44/25,377.60 = 10,936/x
  3. Step 3: Cross multiply
    18,389.44x = 25,377.60 × 10,936
  4. Step 4: Simplify right side
    18,389.44x = 277,529,433.60
  5. Step 5: Solve for x
    x = 277,529,433.60/18,389.44
  6. Step 6: Final answer
    x = 15,091.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.