Home / 18,239.09-27,359.79-5,759.61

Finding the Fourth Proportional to 18,239.09, 27,359.79 and 5,759.61

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Solution

The fourth proportional to 18,239.09, 27,359.79 and 5,759.61 is: 8,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.09 : 27,359.79 = 5,759.61 : x
  2. Step 2: Convert to fraction form
    18,239.09/27,359.79 = 5,759.61/x
  3. Step 3: Cross multiply
    18,239.09x = 27,359.79 × 5,759.61
  4. Step 4: Simplify right side
    18,239.09x = 157,581,717.89
  5. Step 5: Solve for x
    x = 157,581,717.89/18,239.09
  6. Step 6: Final answer
    x = 8,639.78

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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.