Home / 11,954.28-17,930.78-3,633.65

Finding the Fourth Proportional to 11,954.28, 17,930.78 and 3,633.65

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Solution

The fourth proportional to 11,954.28, 17,930.78 and 3,633.65 is: 5,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.28 : 17,930.78 = 3,633.65 : x
  2. Step 2: Convert to fraction form
    11,954.28/17,930.78 = 3,633.65/x
  3. Step 3: Cross multiply
    11,954.28x = 17,930.78 × 3,633.65
  4. Step 4: Simplify right side
    11,954.28x = 65,154,187.53
  5. Step 5: Solve for x
    x = 65,154,187.53/11,954.28
  6. Step 6: Final answer
    x = 5,450.28

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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.