Home / 11,755.79-17,632.83-5,517.23

Finding the Fourth Proportional to 11,755.79, 17,632.83 and 5,517.23

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Solution

The fourth proportional to 11,755.79, 17,632.83 and 5,517.23 is: 8,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.79 : 17,632.83 = 5,517.23 : x
  2. Step 2: Convert to fraction form
    11,755.79/17,632.83 = 5,517.23/x
  3. Step 3: Cross multiply
    11,755.79x = 17,632.83 × 5,517.23
  4. Step 4: Simplify right side
    11,755.79x = 97,284,378.66
  5. Step 5: Solve for x
    x = 97,284,378.66/11,755.79
  6. Step 6: Final answer
    x = 8,275.44

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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.