Home / 11,004.43-15,185.33-6,288.61

Finding the Fourth Proportional to 11,004.43, 15,185.33 and 6,288.61

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Solution

The fourth proportional to 11,004.43, 15,185.33 and 6,288.61 is: 8,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.43 : 15,185.33 = 6,288.61 : x
  2. Step 2: Convert to fraction form
    11,004.43/15,185.33 = 6,288.61/x
  3. Step 3: Cross multiply
    11,004.43x = 15,185.33 × 6,288.61
  4. Step 4: Simplify right side
    11,004.43x = 95,494,586.65
  5. Step 5: Solve for x
    x = 95,494,586.65/11,004.43
  6. Step 6: Final answer
    x = 8,677.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.