Home / 17,867-26,812.78-6,180.24

Finding the Fourth Proportional to 17,867, 26,812.78 and 6,180.24

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Solution

The fourth proportional to 17,867, 26,812.78 and 6,180.24 is: 9,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867 : 26,812.78 = 6,180.24 : x
  2. Step 2: Convert to fraction form
    17,867/26,812.78 = 6,180.24/x
  3. Step 3: Cross multiply
    17,867x = 26,812.78 × 6,180.24
  4. Step 4: Simplify right side
    17,867x = 165,709,415.47
  5. Step 5: Solve for x
    x = 165,709,415.47/17,867
  6. Step 6: Final answer
    x = 9,274.61

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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.