Home / 11,195.70-16,795.80-3,298.20

Finding the Fourth Proportional to 11,195.70, 16,795.80 and 3,298.20

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Solution

The fourth proportional to 11,195.70, 16,795.80 and 3,298.20 is: 4,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.70 : 16,795.80 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    11,195.70/16,795.80 = 3,298.20/x
  3. Step 3: Cross multiply
    11,195.70x = 16,795.80 × 3,298.20
  4. Step 4: Simplify right side
    11,195.70x = 55,395,907.56
  5. Step 5: Solve for x
    x = 55,395,907.56/11,195.70
  6. Step 6: Final answer
    x = 4,947.96

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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.