Home / 9,540.36-13,169.82-8,942.58

Finding the Fourth Proportional to 9,540.36, 13,169.82 and 8,942.58

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Solution

The fourth proportional to 9,540.36, 13,169.82 and 8,942.58 is: 12,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.36 : 13,169.82 = 8,942.58 : x
  2. Step 2: Convert to fraction form
    9,540.36/13,169.82 = 8,942.58/x
  3. Step 3: Cross multiply
    9,540.36x = 13,169.82 × 8,942.58
  4. Step 4: Simplify right side
    9,540.36x = 117,772,168.94
  5. Step 5: Solve for x
    x = 117,772,168.94/9,540.36
  6. Step 6: Final answer
    x = 12,344.63

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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.