Home / 12,414.36-18,621.54-5,835.72

Finding the Fourth Proportional to 12,414.36, 18,621.54 and 5,835.72

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Solution

The fourth proportional to 12,414.36, 18,621.54 and 5,835.72 is: 8,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.36 : 18,621.54 = 5,835.72 : x
  2. Step 2: Convert to fraction form
    12,414.36/18,621.54 = 5,835.72/x
  3. Step 3: Cross multiply
    12,414.36x = 18,621.54 × 5,835.72
  4. Step 4: Simplify right side
    12,414.36x = 108,670,093.41
  5. Step 5: Solve for x
    x = 108,670,093.41/12,414.36
  6. Step 6: Final answer
    x = 8,753.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.