Home / 11,022.92-15,211.62-5,987.15

Finding the Fourth Proportional to 11,022.92, 15,211.62 and 5,987.15

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Solution

The fourth proportional to 11,022.92, 15,211.62 and 5,987.15 is: 8,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.92 : 15,211.62 = 5,987.15 : x
  2. Step 2: Convert to fraction form
    11,022.92/15,211.62 = 5,987.15/x
  3. Step 3: Cross multiply
    11,022.92x = 15,211.62 × 5,987.15
  4. Step 4: Simplify right side
    11,022.92x = 91,074,174.62
  5. Step 5: Solve for x
    x = 91,074,174.62/11,022.92
  6. Step 6: Final answer
    x = 8,262.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.