Home / 11,331-16,942.41-10,338.44

Finding the Fourth Proportional to 11,331, 16,942.41 and 10,338.44

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Solution

The fourth proportional to 11,331, 16,942.41 and 10,338.44 is: 15,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331 : 16,942.41 = 10,338.44 : x
  2. Step 2: Convert to fraction form
    11,331/16,942.41 = 10,338.44/x
  3. Step 3: Cross multiply
    11,331x = 16,942.41 × 10,338.44
  4. Step 4: Simplify right side
    11,331x = 175,158,004.53
  5. Step 5: Solve for x
    x = 175,158,004.53/11,331
  6. Step 6: Final answer
    x = 15,458.30

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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.