Home / 17,220.78-25,833.45-5,375.34

Finding the Fourth Proportional to 17,220.78, 25,833.45 and 5,375.34

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Solution

The fourth proportional to 17,220.78, 25,833.45 and 5,375.34 is: 8,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.78 : 25,833.45 = 5,375.34 : x
  2. Step 2: Convert to fraction form
    17,220.78/25,833.45 = 5,375.34/x
  3. Step 3: Cross multiply
    17,220.78x = 25,833.45 × 5,375.34
  4. Step 4: Simplify right side
    17,220.78x = 138,863,577.12
  5. Step 5: Solve for x
    x = 138,863,577.12/17,220.78
  6. Step 6: Final answer
    x = 8,063.72

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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.