Home / 10,243.49-15,365.09-3,317.99

Finding the Fourth Proportional to 10,243.49, 15,365.09 and 3,317.99

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Solution

The fourth proportional to 10,243.49, 15,365.09 and 3,317.99 is: 4,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.49 : 15,365.09 = 3,317.99 : x
  2. Step 2: Convert to fraction form
    10,243.49/15,365.09 = 3,317.99/x
  3. Step 3: Cross multiply
    10,243.49x = 15,365.09 × 3,317.99
  4. Step 4: Simplify right side
    10,243.49x = 50,981,198.38
  5. Step 5: Solve for x
    x = 50,981,198.38/10,243.49
  6. Step 6: Final answer
    x = 4,976.94

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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.