Home / 11,764.56-16,235.32-6,729.60

Finding the Fourth Proportional to 11,764.56, 16,235.32 and 6,729.60

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Solution

The fourth proportional to 11,764.56, 16,235.32 and 6,729.60 is: 9,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.56 : 16,235.32 = 6,729.60 : x
  2. Step 2: Convert to fraction form
    11,764.56/16,235.32 = 6,729.60/x
  3. Step 3: Cross multiply
    11,764.56x = 16,235.32 × 6,729.60
  4. Step 4: Simplify right side
    11,764.56x = 109,257,209.47
  5. Step 5: Solve for x
    x = 109,257,209.47/11,764.56
  6. Step 6: Final answer
    x = 9,286.98

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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.