Home / 11,007.07-16,512.24-3,987.61

Finding the Fourth Proportional to 11,007.07, 16,512.24 and 3,987.61

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Solution

The fourth proportional to 11,007.07, 16,512.24 and 3,987.61 is: 5,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.07 : 16,512.24 = 3,987.61 : x
  2. Step 2: Convert to fraction form
    11,007.07/16,512.24 = 3,987.61/x
  3. Step 3: Cross multiply
    11,007.07x = 16,512.24 × 3,987.61
  4. Step 4: Simplify right side
    11,007.07x = 65,844,373.35
  5. Step 5: Solve for x
    x = 65,844,373.35/11,007.07
  6. Step 6: Final answer
    x = 5,982.01

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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.