Home / 11,836.78-16,334.72-6,531.55

Finding the Fourth Proportional to 11,836.78, 16,334.72 and 6,531.55

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Solution

The fourth proportional to 11,836.78, 16,334.72 and 6,531.55 is: 9,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.78 : 16,334.72 = 6,531.55 : x
  2. Step 2: Convert to fraction form
    11,836.78/16,334.72 = 6,531.55/x
  3. Step 3: Cross multiply
    11,836.78x = 16,334.72 × 6,531.55
  4. Step 4: Simplify right side
    11,836.78x = 106,691,040.42
  5. Step 5: Solve for x
    x = 106,691,040.42/11,836.78
  6. Step 6: Final answer
    x = 9,013.52

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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.