Home / 17,678.33-26,505.79-6,997.61

Finding the Fourth Proportional to 17,678.33, 26,505.79 and 6,997.61

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Solution

The fourth proportional to 17,678.33, 26,505.79 and 6,997.61 is: 10,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.33 : 26,505.79 = 6,997.61 : x
  2. Step 2: Convert to fraction form
    17,678.33/26,505.79 = 6,997.61/x
  3. Step 3: Cross multiply
    17,678.33x = 26,505.79 × 6,997.61
  4. Step 4: Simplify right side
    17,678.33x = 185,477,181.16
  5. Step 5: Solve for x
    x = 185,477,181.16/17,678.33
  6. Step 6: Final answer
    x = 10,491.78

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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.