Home / 17,399.78-26,113.52-6,309.64

Finding the Fourth Proportional to 17,399.78, 26,113.52 and 6,309.64

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Solution

The fourth proportional to 17,399.78, 26,113.52 and 6,309.64 is: 9,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.78 : 26,113.52 = 6,309.64 : x
  2. Step 2: Convert to fraction form
    17,399.78/26,113.52 = 6,309.64/x
  3. Step 3: Cross multiply
    17,399.78x = 26,113.52 × 6,309.64
  4. Step 4: Simplify right side
    17,399.78x = 164,766,910.33
  5. Step 5: Solve for x
    x = 164,766,910.33/17,399.78
  6. Step 6: Final answer
    x = 9,469.48

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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.