Home / 13,896.38-20,844.91-4,035.74

Finding the Fourth Proportional to 13,896.38, 20,844.91 and 4,035.74

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Solution

The fourth proportional to 13,896.38, 20,844.91 and 4,035.74 is: 6,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.38 : 20,844.91 = 4,035.74 : x
  2. Step 2: Convert to fraction form
    13,896.38/20,844.91 = 4,035.74/x
  3. Step 3: Cross multiply
    13,896.38x = 20,844.91 × 4,035.74
  4. Step 4: Simplify right side
    13,896.38x = 84,124,689.20
  5. Step 5: Solve for x
    x = 84,124,689.20/13,896.38
  6. Step 6: Final answer
    x = 6,053.71

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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.