Home / 18,521.33-27,747.09-9,150.37

Finding the Fourth Proportional to 18,521.33, 27,747.09 and 9,150.37

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Solution

The fourth proportional to 18,521.33, 27,747.09 and 9,150.37 is: 13,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.33 : 27,747.09 = 9,150.37 : x
  2. Step 2: Convert to fraction form
    18,521.33/27,747.09 = 9,150.37/x
  3. Step 3: Cross multiply
    18,521.33x = 27,747.09 × 9,150.37
  4. Step 4: Simplify right side
    18,521.33x = 253,896,070.56
  5. Step 5: Solve for x
    x = 253,896,070.56/18,521.33
  6. Step 6: Final answer
    x = 13,708.31

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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.