Home / 13,634.43-20,452.09-3,772.88

Finding the Fourth Proportional to 13,634.43, 20,452.09 and 3,772.88

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Solution

The fourth proportional to 13,634.43, 20,452.09 and 3,772.88 is: 5,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.43 : 20,452.09 = 3,772.88 : x
  2. Step 2: Convert to fraction form
    13,634.43/20,452.09 = 3,772.88/x
  3. Step 3: Cross multiply
    13,634.43x = 20,452.09 × 3,772.88
  4. Step 4: Simplify right side
    13,634.43x = 77,163,281.32
  5. Step 5: Solve for x
    x = 77,163,281.32/13,634.43
  6. Step 6: Final answer
    x = 5,659.44

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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.