Home / 18,801.62-28,193.58-10,906.38

Finding the Fourth Proportional to 18,801.62, 28,193.58 and 10,906.38

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Solution

The fourth proportional to 18,801.62, 28,193.58 and 10,906.38 is: 16,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.62 : 28,193.58 = 10,906.38 : x
  2. Step 2: Convert to fraction form
    18,801.62/28,193.58 = 10,906.38/x
  3. Step 3: Cross multiply
    18,801.62x = 28,193.58 × 10,906.38
  4. Step 4: Simplify right side
    18,801.62x = 307,489,897.04
  5. Step 5: Solve for x
    x = 307,489,897.04/18,801.62
  6. Step 6: Final answer
    x = 16,354.44

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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.