Home / 14,084.43-19,436.78-8,115.09

Finding the Fourth Proportional to 14,084.43, 19,436.78 and 8,115.09

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Solution

The fourth proportional to 14,084.43, 19,436.78 and 8,115.09 is: 11,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.43 : 19,436.78 = 8,115.09 : x
  2. Step 2: Convert to fraction form
    14,084.43/19,436.78 = 8,115.09/x
  3. Step 3: Cross multiply
    14,084.43x = 19,436.78 × 8,115.09
  4. Step 4: Simplify right side
    14,084.43x = 157,731,178.43
  5. Step 5: Solve for x
    x = 157,731,178.43/14,084.43
  6. Step 6: Final answer
    x = 11,198.97

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1.5x scale

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.