Home / 11,076.75-15,286.05-6,361.47

Finding the Fourth Proportional to 11,076.75, 15,286.05 and 6,361.47

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Solution

The fourth proportional to 11,076.75, 15,286.05 and 6,361.47 is: 8,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.75 : 15,286.05 = 6,361.47 : x
  2. Step 2: Convert to fraction form
    11,076.75/15,286.05 = 6,361.47/x
  3. Step 3: Cross multiply
    11,076.75x = 15,286.05 × 6,361.47
  4. Step 4: Simplify right side
    11,076.75x = 97,241,748.49
  5. Step 5: Solve for x
    x = 97,241,748.49/11,076.75
  6. Step 6: Final answer
    x = 8,778.91

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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.