Home / 16,915.62-25,375.86-5,229.75

Finding the Fourth Proportional to 16,915.62, 25,375.86 and 5,229.75

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Solution

The fourth proportional to 16,915.62, 25,375.86 and 5,229.75 is: 7,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.62 : 25,375.86 = 5,229.75 : x
  2. Step 2: Convert to fraction form
    16,915.62/25,375.86 = 5,229.75/x
  3. Step 3: Cross multiply
    16,915.62x = 25,375.86 × 5,229.75
  4. Step 4: Simplify right side
    16,915.62x = 132,709,403.84
  5. Step 5: Solve for x
    x = 132,709,403.84/16,915.62
  6. Step 6: Final answer
    x = 7,845.38

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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.