Home / 11,785.37-16,261.48-6,611.41

Finding the Fourth Proportional to 11,785.37, 16,261.48 and 6,611.41

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Solution

The fourth proportional to 11,785.37, 16,261.48 and 6,611.41 is: 9,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.37 : 16,261.48 = 6,611.41 : x
  2. Step 2: Convert to fraction form
    11,785.37/16,261.48 = 6,611.41/x
  3. Step 3: Cross multiply
    11,785.37x = 16,261.48 × 6,611.41
  4. Step 4: Simplify right side
    11,785.37x = 107,511,311.49
  5. Step 5: Solve for x
    x = 107,511,311.49/11,785.37
  6. Step 6: Final answer
    x = 9,122.44

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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.