Home / 13,633.86-20,450.76-4,273.92

Finding the Fourth Proportional to 13,633.86, 20,450.76 and 4,273.92

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Solution

The fourth proportional to 13,633.86, 20,450.76 and 4,273.92 is: 6,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.86 : 20,450.76 = 4,273.92 : x
  2. Step 2: Convert to fraction form
    13,633.86/20,450.76 = 4,273.92/x
  3. Step 3: Cross multiply
    13,633.86x = 20,450.76 × 4,273.92
  4. Step 4: Simplify right side
    13,633.86x = 87,404,912.18
  5. Step 5: Solve for x
    x = 87,404,912.18/13,633.86
  6. Step 6: Final answer
    x = 6,410.87

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1.5x scale

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.