Home / 13,279.28-19,895.83-11,084.99

Finding the Fourth Proportional to 13,279.28, 19,895.83 and 11,084.99

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Solution

The fourth proportional to 13,279.28, 19,895.83 and 11,084.99 is: 16,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.28 : 19,895.83 = 11,084.99 : x
  2. Step 2: Convert to fraction form
    13,279.28/19,895.83 = 11,084.99/x
  3. Step 3: Cross multiply
    13,279.28x = 19,895.83 × 11,084.99
  4. Step 4: Simplify right side
    13,279.28x = 220,544,949.40
  5. Step 5: Solve for x
    x = 220,544,949.40/13,279.28
  6. Step 6: Final answer
    x = 16,608.21

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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.