Home / 11,190.82-15,443.22-6,154.96

Finding the Fourth Proportional to 11,190.82, 15,443.22 and 6,154.96

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Solution

The fourth proportional to 11,190.82, 15,443.22 and 6,154.96 is: 8,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.82 : 15,443.22 = 6,154.96 : x
  2. Step 2: Convert to fraction form
    11,190.82/15,443.22 = 6,154.96/x
  3. Step 3: Cross multiply
    11,190.82x = 15,443.22 × 6,154.96
  4. Step 4: Simplify right side
    11,190.82x = 95,052,401.37
  5. Step 5: Solve for x
    x = 95,052,401.37/11,190.82
  6. Step 6: Final answer
    x = 8,493.78

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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.