Home / 11,979.08-17,962.14-4,079.24

Finding the Fourth Proportional to 11,979.08, 17,962.14 and 4,079.24

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Solution

The fourth proportional to 11,979.08, 17,962.14 and 4,079.24 is: 6,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.08 : 17,962.14 = 4,079.24 : x
  2. Step 2: Convert to fraction form
    11,979.08/17,962.14 = 4,079.24/x
  3. Step 3: Cross multiply
    11,979.08x = 17,962.14 × 4,079.24
  4. Step 4: Simplify right side
    11,979.08x = 73,271,879.97
  5. Step 5: Solve for x
    x = 73,271,879.97/11,979.08
  6. Step 6: Final answer
    x = 6,116.65

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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.