Home / 18,239.75-27,359.89-5,092.19

Finding the Fourth Proportional to 18,239.75, 27,359.89 and 5,092.19

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Solution

The fourth proportional to 18,239.75, 27,359.89 and 5,092.19 is: 7,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.75 : 27,359.89 = 5,092.19 : x
  2. Step 2: Convert to fraction form
    18,239.75/27,359.89 = 5,092.19/x
  3. Step 3: Cross multiply
    18,239.75x = 27,359.89 × 5,092.19
  4. Step 4: Simplify right side
    18,239.75x = 139,321,758.26
  5. Step 5: Solve for x
    x = 139,321,758.26/18,239.75
  6. Step 6: Final answer
    x = 7,638.36

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1.5x scale

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.