Home / 11,054.80-16,563.52-9,311.68

Finding the Fourth Proportional to 11,054.80, 16,563.52 and 9,311.68

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Solution

The fourth proportional to 11,054.80, 16,563.52 and 9,311.68 is: 13,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.80 : 16,563.52 = 9,311.68 : x
  2. Step 2: Convert to fraction form
    11,054.80/16,563.52 = 9,311.68/x
  3. Step 3: Cross multiply
    11,054.80x = 16,563.52 × 9,311.68
  4. Step 4: Simplify right side
    11,054.80x = 154,234,197.91
  5. Step 5: Solve for x
    x = 154,234,197.91/11,054.80
  6. Step 6: Final answer
    x = 13,951.79

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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.