Home / 13,694.16-20,539.64-3,834.20

Finding the Fourth Proportional to 13,694.16, 20,539.64 and 3,834.20

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Solution

The fourth proportional to 13,694.16, 20,539.64 and 3,834.20 is: 5,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.16 : 20,539.64 = 3,834.20 : x
  2. Step 2: Convert to fraction form
    13,694.16/20,539.64 = 3,834.20/x
  3. Step 3: Cross multiply
    13,694.16x = 20,539.64 × 3,834.20
  4. Step 4: Simplify right side
    13,694.16x = 78,753,087.69
  5. Step 5: Solve for x
    x = 78,753,087.69/13,694.16
  6. Step 6: Final answer
    x = 5,750.85

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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.