Home / 11,581.82-15,981.62-6,546.03

Finding the Fourth Proportional to 11,581.82, 15,981.62 and 6,546.03

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Solution

The fourth proportional to 11,581.82, 15,981.62 and 6,546.03 is: 9,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.82 : 15,981.62 = 6,546.03 : x
  2. Step 2: Convert to fraction form
    11,581.82/15,981.62 = 6,546.03/x
  3. Step 3: Cross multiply
    11,581.82x = 15,981.62 × 6,546.03
  4. Step 4: Simplify right side
    11,581.82x = 104,616,163.97
  5. Step 5: Solve for x
    x = 104,616,163.97/11,581.82
  6. Step 6: Final answer
    x = 9,032.79

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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.