Home / 13,391.32-20,093.82-5,499.90

Finding the Fourth Proportional to 13,391.32, 20,093.82 and 5,499.90

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Solution

The fourth proportional to 13,391.32, 20,093.82 and 5,499.90 is: 8,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.32 : 20,093.82 = 5,499.90 : x
  2. Step 2: Convert to fraction form
    13,391.32/20,093.82 = 5,499.90/x
  3. Step 3: Cross multiply
    13,391.32x = 20,093.82 × 5,499.90
  4. Step 4: Simplify right side
    13,391.32x = 110,513,872.65
  5. Step 5: Solve for x
    x = 110,513,872.65/13,391.32
  6. Step 6: Final answer
    x = 8,252.65

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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.