Home / 13,559.94-20,336.63-5,234.64

Finding the Fourth Proportional to 13,559.94, 20,336.63 and 5,234.64

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Solution

The fourth proportional to 13,559.94, 20,336.63 and 5,234.64 is: 7,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.94 : 20,336.63 = 5,234.64 : x
  2. Step 2: Convert to fraction form
    13,559.94/20,336.63 = 5,234.64/x
  3. Step 3: Cross multiply
    13,559.94x = 20,336.63 × 5,234.64
  4. Step 4: Simplify right side
    13,559.94x = 106,454,910.69
  5. Step 5: Solve for x
    x = 106,454,910.69/13,559.94
  6. Step 6: Final answer
    x = 7,850.69

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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.