Home / 11,289.44-16,928.46-6,610.86

Finding the Fourth Proportional to 11,289.44, 16,928.46 and 6,610.86

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Solution

The fourth proportional to 11,289.44, 16,928.46 and 6,610.86 is: 9,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.44 : 16,928.46 = 6,610.86 : x
  2. Step 2: Convert to fraction form
    11,289.44/16,928.46 = 6,610.86/x
  3. Step 3: Cross multiply
    11,289.44x = 16,928.46 × 6,610.86
  4. Step 4: Simplify right side
    11,289.44x = 111,911,679.08
  5. Step 5: Solve for x
    x = 111,911,679.08/11,289.44
  6. Step 6: Final answer
    x = 9,912.95

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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.