Home / 10,840.30-16,261.54-2,942.94

Finding the Fourth Proportional to 10,840.30, 16,261.54 and 2,942.94

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Solution

The fourth proportional to 10,840.30, 16,261.54 and 2,942.94 is: 4,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.30 : 16,261.54 = 2,942.94 : x
  2. Step 2: Convert to fraction form
    10,840.30/16,261.54 = 2,942.94/x
  3. Step 3: Cross multiply
    10,840.30x = 16,261.54 × 2,942.94
  4. Step 4: Simplify right side
    10,840.30x = 47,856,736.53
  5. Step 5: Solve for x
    x = 47,856,736.53/10,840.30
  6. Step 6: Final answer
    x = 4,414.71

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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.