Home / 11,052.82-16,580.13-6,640.55

Finding the Fourth Proportional to 11,052.82, 16,580.13 and 6,640.55

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Solution

The fourth proportional to 11,052.82, 16,580.13 and 6,640.55 is: 9,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.82 : 16,580.13 = 6,640.55 : x
  2. Step 2: Convert to fraction form
    11,052.82/16,580.13 = 6,640.55/x
  3. Step 3: Cross multiply
    11,052.82x = 16,580.13 × 6,640.55
  4. Step 4: Simplify right side
    11,052.82x = 110,101,066.17
  5. Step 5: Solve for x
    x = 110,101,066.17/11,052.82
  6. Step 6: Final answer
    x = 9,961.36

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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.