Home / 11,391.91-17,081.79-5,843.01

Finding the Fourth Proportional to 11,391.91, 17,081.79 and 5,843.01

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Solution

The fourth proportional to 11,391.91, 17,081.79 and 5,843.01 is: 8,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.91 : 17,081.79 = 5,843.01 : x
  2. Step 2: Convert to fraction form
    11,391.91/17,081.79 = 5,843.01/x
  3. Step 3: Cross multiply
    11,391.91x = 17,081.79 × 5,843.01
  4. Step 4: Simplify right side
    11,391.91x = 99,809,069.79
  5. Step 5: Solve for x
    x = 99,809,069.79/11,391.91
  6. Step 6: Final answer
    x = 8,761.40

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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.