Home / 10,979.25-16,468.92-2,659.25

Finding the Fourth Proportional to 10,979.25, 16,468.92 and 2,659.25

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Solution

The fourth proportional to 10,979.25, 16,468.92 and 2,659.25 is: 3,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.25 : 16,468.92 = 2,659.25 : x
  2. Step 2: Convert to fraction form
    10,979.25/16,468.92 = 2,659.25/x
  3. Step 3: Cross multiply
    10,979.25x = 16,468.92 × 2,659.25
  4. Step 4: Simplify right side
    10,979.25x = 43,794,962.21
  5. Step 5: Solve for x
    x = 43,794,962.21/10,979.25
  6. Step 6: Final answer
    x = 3,988.88

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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.