Home / 17,207.78-25,809.24-5,519.48

Finding the Fourth Proportional to 17,207.78, 25,809.24 and 5,519.48

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Solution

The fourth proportional to 17,207.78, 25,809.24 and 5,519.48 is: 8,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.78 : 25,809.24 = 5,519.48 : x
  2. Step 2: Convert to fraction form
    17,207.78/25,809.24 = 5,519.48/x
  3. Step 3: Cross multiply
    17,207.78x = 25,809.24 × 5,519.48
  4. Step 4: Simplify right side
    17,207.78x = 142,453,648.52
  5. Step 5: Solve for x
    x = 142,453,648.52/17,207.78
  6. Step 6: Final answer
    x = 8,278.44

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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.