Home / 10,769.82-16,157.82-3,376.40

Finding the Fourth Proportional to 10,769.82, 16,157.82 and 3,376.40

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Solution

The fourth proportional to 10,769.82, 16,157.82 and 3,376.40 is: 5,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.82 : 16,157.82 = 3,376.40 : x
  2. Step 2: Convert to fraction form
    10,769.82/16,157.82 = 3,376.40/x
  3. Step 3: Cross multiply
    10,769.82x = 16,157.82 × 3,376.40
  4. Step 4: Simplify right side
    10,769.82x = 54,555,263.45
  5. Step 5: Solve for x
    x = 54,555,263.45/10,769.82
  6. Step 6: Final answer
    x = 5,065.57

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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.