Home / 13,633.46-20,450.64-3,771.91

Finding the Fourth Proportional to 13,633.46, 20,450.64 and 3,771.91

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Solution

The fourth proportional to 13,633.46, 20,450.64 and 3,771.91 is: 5,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.46 : 20,450.64 = 3,771.91 : x
  2. Step 2: Convert to fraction form
    13,633.46/20,450.64 = 3,771.91/x
  3. Step 3: Cross multiply
    13,633.46x = 20,450.64 × 3,771.91
  4. Step 4: Simplify right side
    13,633.46x = 77,137,922.40
  5. Step 5: Solve for x
    x = 77,137,922.40/13,633.46
  6. Step 6: Final answer
    x = 5,657.99

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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.