Home / 11,721.62-17,558.87-5,473.01

Finding the Fourth Proportional to 11,721.62, 17,558.87 and 5,473.01

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Solution

The fourth proportional to 11,721.62, 17,558.87 and 5,473.01 is: 8,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.62 : 17,558.87 = 5,473.01 : x
  2. Step 2: Convert to fraction form
    11,721.62/17,558.87 = 5,473.01/x
  3. Step 3: Cross multiply
    11,721.62x = 17,558.87 × 5,473.01
  4. Step 4: Simplify right side
    11,721.62x = 96,099,755.94
  5. Step 5: Solve for x
    x = 96,099,755.94/11,721.62
  6. Step 6: Final answer
    x = 8,198.51

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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.