Home / 18,664.38-27,996.66-4,813.38

Finding the Fourth Proportional to 18,664.38, 27,996.66 and 4,813.38

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Solution

The fourth proportional to 18,664.38, 27,996.66 and 4,813.38 is: 7,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.38 : 27,996.66 = 4,813.38 : x
  2. Step 2: Convert to fraction form
    18,664.38/27,996.66 = 4,813.38/x
  3. Step 3: Cross multiply
    18,664.38x = 27,996.66 × 4,813.38
  4. Step 4: Simplify right side
    18,664.38x = 134,758,563.31
  5. Step 5: Solve for x
    x = 134,758,563.31/18,664.38
  6. Step 6: Final answer
    x = 7,220.09

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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.