Home / 13,069.44-19,609.92-6,912

Finding the Fourth Proportional to 13,069.44, 19,609.92 and 6,912

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Solution

The fourth proportional to 13,069.44, 19,609.92 and 6,912 is: 10,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.44 : 19,609.92 = 6,912 : x
  2. Step 2: Convert to fraction form
    13,069.44/19,609.92 = 6,912/x
  3. Step 3: Cross multiply
    13,069.44x = 19,609.92 × 6,912
  4. Step 4: Simplify right side
    13,069.44x = 135,543,767.04
  5. Step 5: Solve for x
    x = 135,543,767.04/13,069.44
  6. Step 6: Final answer
    x = 10,371.05

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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.