Home / 13,891.64-20,835.33-4,028.87

Finding the Fourth Proportional to 13,891.64, 20,835.33 and 4,028.87

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Solution

The fourth proportional to 13,891.64, 20,835.33 and 4,028.87 is: 6,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.64 : 20,835.33 = 4,028.87 : x
  2. Step 2: Convert to fraction form
    13,891.64/20,835.33 = 4,028.87/x
  3. Step 3: Cross multiply
    13,891.64x = 20,835.33 × 4,028.87
  4. Step 4: Simplify right side
    13,891.64x = 83,942,872.96
  5. Step 5: Solve for x
    x = 83,942,872.96/13,891.64
  6. Step 6: Final answer
    x = 6,042.69

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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.