Home / 17,111.35-25,666.91-6,979.69

Finding the Fourth Proportional to 17,111.35, 25,666.91 and 6,979.69

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Solution

The fourth proportional to 17,111.35, 25,666.91 and 6,979.69 is: 10,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.35 : 25,666.91 = 6,979.69 : x
  2. Step 2: Convert to fraction form
    17,111.35/25,666.91 = 6,979.69/x
  3. Step 3: Cross multiply
    17,111.35x = 25,666.91 × 6,979.69
  4. Step 4: Simplify right side
    17,111.35x = 179,147,137.68
  5. Step 5: Solve for x
    x = 179,147,137.68/17,111.35
  6. Step 6: Final answer
    x = 10,469.49

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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.