Home / 10,622.20-15,936.78-3,226.96

Finding the Fourth Proportional to 10,622.20, 15,936.78 and 3,226.96

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Solution

The fourth proportional to 10,622.20, 15,936.78 and 3,226.96 is: 4,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.20 : 15,936.78 = 3,226.96 : x
  2. Step 2: Convert to fraction form
    10,622.20/15,936.78 = 3,226.96/x
  3. Step 3: Cross multiply
    10,622.20x = 15,936.78 × 3,226.96
  4. Step 4: Simplify right side
    10,622.20x = 51,427,351.59
  5. Step 5: Solve for x
    x = 51,427,351.59/10,622.20
  6. Step 6: Final answer
    x = 4,841.50

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1.5x scale

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.