Home / 10,243.80-15,365.09-3,579.83

Finding the Fourth Proportional to 10,243.80, 15,365.09 and 3,579.83

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Solution

The fourth proportional to 10,243.80, 15,365.09 and 3,579.83 is: 5,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.80 : 15,365.09 = 3,579.83 : x
  2. Step 2: Convert to fraction form
    10,243.80/15,365.09 = 3,579.83/x
  3. Step 3: Cross multiply
    10,243.80x = 15,365.09 × 3,579.83
  4. Step 4: Simplify right side
    10,243.80x = 55,004,399.88
  5. Step 5: Solve for x
    x = 55,004,399.88/10,243.80
  6. Step 6: Final answer
    x = 5,369.53

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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.