Home / 13,801.27-20,698.96-3,937.90

Finding the Fourth Proportional to 13,801.27, 20,698.96 and 3,937.90

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Solution

The fourth proportional to 13,801.27, 20,698.96 and 3,937.90 is: 5,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.27 : 20,698.96 = 3,937.90 : x
  2. Step 2: Convert to fraction form
    13,801.27/20,698.96 = 3,937.90/x
  3. Step 3: Cross multiply
    13,801.27x = 20,698.96 × 3,937.90
  4. Step 4: Simplify right side
    13,801.27x = 81,510,434.58
  5. Step 5: Solve for x
    x = 81,510,434.58/13,801.27
  6. Step 6: Final answer
    x = 5,906.01

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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.