Home / 18,977.44-28,463.50-11,936

Finding the Fourth Proportional to 18,977.44, 28,463.50 and 11,936

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Solution

The fourth proportional to 18,977.44, 28,463.50 and 11,936 is: 17,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.44 : 28,463.50 = 11,936 : x
  2. Step 2: Convert to fraction form
    18,977.44/28,463.50 = 11,936/x
  3. Step 3: Cross multiply
    18,977.44x = 28,463.50 × 11,936
  4. Step 4: Simplify right side
    18,977.44x = 339,740,336
  5. Step 5: Solve for x
    x = 339,740,336/18,977.44
  6. Step 6: Final answer
    x = 17,902.33

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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.