Home / 14,084.56-21,105.87-12,839.82

Finding the Fourth Proportional to 14,084.56, 21,105.87 and 12,839.82

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Solution

The fourth proportional to 14,084.56, 21,105.87 and 12,839.82 is: 19,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.56 : 21,105.87 = 12,839.82 : x
  2. Step 2: Convert to fraction form
    14,084.56/21,105.87 = 12,839.82/x
  3. Step 3: Cross multiply
    14,084.56x = 21,105.87 × 12,839.82
  4. Step 4: Simplify right side
    14,084.56x = 270,995,571.74
  5. Step 5: Solve for x
    x = 270,995,571.74/14,084.56
  6. Step 6: Final answer
    x = 19,240.61

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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.