Home / 13,737.73-20,606.64-3,877.09

Finding the Fourth Proportional to 13,737.73, 20,606.64 and 3,877.09

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Solution

The fourth proportional to 13,737.73, 20,606.64 and 3,877.09 is: 5,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.73 : 20,606.64 = 3,877.09 : x
  2. Step 2: Convert to fraction form
    13,737.73/20,606.64 = 3,877.09/x
  3. Step 3: Cross multiply
    13,737.73x = 20,606.64 × 3,877.09
  4. Step 4: Simplify right side
    13,737.73x = 79,893,797.88
  5. Step 5: Solve for x
    x = 79,893,797.88/13,737.73
  6. Step 6: Final answer
    x = 5,815.65

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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.