Home / 18,243.09-27,360.72-5,764.08

Finding the Fourth Proportional to 18,243.09, 27,360.72 and 5,764.08

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Solution

The fourth proportional to 18,243.09, 27,360.72 and 5,764.08 is: 8,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.09 : 27,360.72 = 5,764.08 : x
  2. Step 2: Convert to fraction form
    18,243.09/27,360.72 = 5,764.08/x
  3. Step 3: Cross multiply
    18,243.09x = 27,360.72 × 5,764.08
  4. Step 4: Simplify right side
    18,243.09x = 157,709,378.94
  5. Step 5: Solve for x
    x = 157,709,378.94/18,243.09
  6. Step 6: Final answer
    x = 8,644.88

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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.