Home / 11,626.28-16,047.78-7,902.44

Finding the Fourth Proportional to 11,626.28, 16,047.78 and 7,902.44

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Solution

The fourth proportional to 11,626.28, 16,047.78 and 7,902.44 is: 10,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.28 : 16,047.78 = 7,902.44 : x
  2. Step 2: Convert to fraction form
    11,626.28/16,047.78 = 7,902.44/x
  3. Step 3: Cross multiply
    11,626.28x = 16,047.78 × 7,902.44
  4. Step 4: Simplify right side
    11,626.28x = 126,816,618.58
  5. Step 5: Solve for x
    x = 126,816,618.58/11,626.28
  6. Step 6: Final answer
    x = 10,907.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.