Home / 11,081.34-16,624.80-3,289.95

Finding the Fourth Proportional to 11,081.34, 16,624.80 and 3,289.95

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Solution

The fourth proportional to 11,081.34, 16,624.80 and 3,289.95 is: 4,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.34 : 16,624.80 = 3,289.95 : x
  2. Step 2: Convert to fraction form
    11,081.34/16,624.80 = 3,289.95/x
  3. Step 3: Cross multiply
    11,081.34x = 16,624.80 × 3,289.95
  4. Step 4: Simplify right side
    11,081.34x = 54,694,760.76
  5. Step 5: Solve for x
    x = 54,694,760.76/11,081.34
  6. Step 6: Final answer
    x = 4,935.75

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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.