Home / 11,107.58-16,661.33-3,316.38

Finding the Fourth Proportional to 11,107.58, 16,661.33 and 3,316.38

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Solution

The fourth proportional to 11,107.58, 16,661.33 and 3,316.38 is: 4,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.58 : 16,661.33 = 3,316.38 : x
  2. Step 2: Convert to fraction form
    11,107.58/16,661.33 = 3,316.38/x
  3. Step 3: Cross multiply
    11,107.58x = 16,661.33 × 3,316.38
  4. Step 4: Simplify right side
    11,107.58x = 55,255,301.59
  5. Step 5: Solve for x
    x = 55,255,301.59/11,107.58
  6. Step 6: Final answer
    x = 4,974.56

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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.