Home / 18,239.25-27,359.14-5,091.69

Finding the Fourth Proportional to 18,239.25, 27,359.14 and 5,091.69

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Solution

The fourth proportional to 18,239.25, 27,359.14 and 5,091.69 is: 7,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.25 : 27,359.14 = 5,091.69 : x
  2. Step 2: Convert to fraction form
    18,239.25/27,359.14 = 5,091.69/x
  3. Step 3: Cross multiply
    18,239.25x = 27,359.14 × 5,091.69
  4. Step 4: Simplify right side
    18,239.25x = 139,304,259.55
  5. Step 5: Solve for x
    x = 139,304,259.55/18,239.25
  6. Step 6: Final answer
    x = 7,637.61

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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.