Home / 11,850.96-17,770.56-6,921.84

Finding the Fourth Proportional to 11,850.96, 17,770.56 and 6,921.84

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Solution

The fourth proportional to 11,850.96, 17,770.56 and 6,921.84 is: 10,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.96 : 17,770.56 = 6,921.84 : x
  2. Step 2: Convert to fraction form
    11,850.96/17,770.56 = 6,921.84/x
  3. Step 3: Cross multiply
    11,850.96x = 17,770.56 × 6,921.84
  4. Step 4: Simplify right side
    11,850.96x = 123,004,973.03
  5. Step 5: Solve for x
    x = 123,004,973.03/11,850.96
  6. Step 6: Final answer
    x = 10,379.33

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1.5x scale

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.