Home / 11,578.11-15,976.72-6,542.72

Finding the Fourth Proportional to 11,578.11, 15,976.72 and 6,542.72

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Solution

The fourth proportional to 11,578.11, 15,976.72 and 6,542.72 is: 9,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.11 : 15,976.72 = 6,542.72 : x
  2. Step 2: Convert to fraction form
    11,578.11/15,976.72 = 6,542.72/x
  3. Step 3: Cross multiply
    11,578.11x = 15,976.72 × 6,542.72
  4. Step 4: Simplify right side
    11,578.11x = 104,531,164.05
  5. Step 5: Solve for x
    x = 104,531,164.05/11,578.11
  6. Step 6: Final answer
    x = 9,028.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.