Home / 11,326.44-16,989.60-3,428.94

Finding the Fourth Proportional to 11,326.44, 16,989.60 and 3,428.94

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Solution

The fourth proportional to 11,326.44, 16,989.60 and 3,428.94 is: 5,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.44 : 16,989.60 = 3,428.94 : x
  2. Step 2: Convert to fraction form
    11,326.44/16,989.60 = 3,428.94/x
  3. Step 3: Cross multiply
    11,326.44x = 16,989.60 × 3,428.94
  4. Step 4: Simplify right side
    11,326.44x = 58,256,319.02
  5. Step 5: Solve for x
    x = 58,256,319.02/11,326.44
  6. Step 6: Final answer
    x = 5,143.39

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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.