Home / 11,987.06-17,984.91-4,197.02

Finding the Fourth Proportional to 11,987.06, 17,984.91 and 4,197.02

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Solution

The fourth proportional to 11,987.06, 17,984.91 and 4,197.02 is: 6,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.06 : 17,984.91 = 4,197.02 : x
  2. Step 2: Convert to fraction form
    11,987.06/17,984.91 = 4,197.02/x
  3. Step 3: Cross multiply
    11,987.06x = 17,984.91 × 4,197.02
  4. Step 4: Simplify right side
    11,987.06x = 75,483,026.97
  5. Step 5: Solve for x
    x = 75,483,026.97/11,987.06
  6. Step 6: Final answer
    x = 6,297.04

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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.