Home / 11,678.43-17,515.75-3,356.55

Finding the Fourth Proportional to 11,678.43, 17,515.75 and 3,356.55

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Solution

The fourth proportional to 11,678.43, 17,515.75 and 3,356.55 is: 5,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.43 : 17,515.75 = 3,356.55 : x
  2. Step 2: Convert to fraction form
    11,678.43/17,515.75 = 3,356.55/x
  3. Step 3: Cross multiply
    11,678.43x = 17,515.75 × 3,356.55
  4. Step 4: Simplify right side
    11,678.43x = 58,792,490.66
  5. Step 5: Solve for x
    x = 58,792,490.66/11,678.43
  6. Step 6: Final answer
    x = 5,034.28

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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.