Home / 11,641.01-17,450.92-4,243.78

Finding the Fourth Proportional to 11,641.01, 17,450.92 and 4,243.78

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Solution

The fourth proportional to 11,641.01, 17,450.92 and 4,243.78 is: 6,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.01 : 17,450.92 = 4,243.78 : x
  2. Step 2: Convert to fraction form
    11,641.01/17,450.92 = 4,243.78/x
  3. Step 3: Cross multiply
    11,641.01x = 17,450.92 × 4,243.78
  4. Step 4: Simplify right side
    11,641.01x = 74,057,865.28
  5. Step 5: Solve for x
    x = 74,057,865.28/11,641.01
  6. Step 6: Final answer
    x = 6,361.81

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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.