Home / 13,935.38-20,906.03-4,073.82

Finding the Fourth Proportional to 13,935.38, 20,906.03 and 4,073.82

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Solution

The fourth proportional to 13,935.38, 20,906.03 and 4,073.82 is: 6,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.38 : 20,906.03 = 4,073.82 : x
  2. Step 2: Convert to fraction form
    13,935.38/20,906.03 = 4,073.82/x
  3. Step 3: Cross multiply
    13,935.38x = 20,906.03 × 4,073.82
  4. Step 4: Simplify right side
    13,935.38x = 85,167,382.77
  5. Step 5: Solve for x
    x = 85,167,382.77/13,935.38
  6. Step 6: Final answer
    x = 6,111.60

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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.