Home / 17,106.90-25,644.87-6,715.86

Finding the Fourth Proportional to 17,106.90, 25,644.87 and 6,715.86

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Solution

The fourth proportional to 17,106.90, 25,644.87 and 6,715.86 is: 10,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.90 : 25,644.87 = 6,715.86 : x
  2. Step 2: Convert to fraction form
    17,106.90/25,644.87 = 6,715.86/x
  3. Step 3: Cross multiply
    17,106.90x = 25,644.87 × 6,715.86
  4. Step 4: Simplify right side
    17,106.90x = 172,227,356.64
  5. Step 5: Solve for x
    x = 172,227,356.64/17,106.90
  6. Step 6: Final answer
    x = 10,067.71

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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.