Home / 11,338.38-16,976.01-8,556.62

Finding the Fourth Proportional to 11,338.38, 16,976.01 and 8,556.62

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Solution

The fourth proportional to 11,338.38, 16,976.01 and 8,556.62 is: 12,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.38 : 16,976.01 = 8,556.62 : x
  2. Step 2: Convert to fraction form
    11,338.38/16,976.01 = 8,556.62/x
  3. Step 3: Cross multiply
    11,338.38x = 16,976.01 × 8,556.62
  4. Step 4: Simplify right side
    11,338.38x = 145,257,266.69
  5. Step 5: Solve for x
    x = 145,257,266.69/11,338.38
  6. Step 6: Final answer
    x = 12,811.11

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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.