Home / 13,896.90-20,844.72-4,035.96

Finding the Fourth Proportional to 13,896.90, 20,844.72 and 4,035.96

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Solution

The fourth proportional to 13,896.90, 20,844.72 and 4,035.96 is: 6,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.90 : 20,844.72 = 4,035.96 : x
  2. Step 2: Convert to fraction form
    13,896.90/20,844.72 = 4,035.96/x
  3. Step 3: Cross multiply
    13,896.90x = 20,844.72 × 4,035.96
  4. Step 4: Simplify right side
    13,896.90x = 84,128,456.13
  5. Step 5: Solve for x
    x = 84,128,456.13/13,896.90
  6. Step 6: Final answer
    x = 6,053.76

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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.