Home / 13,791.27-20,687.04-5,473.29

Finding the Fourth Proportional to 13,791.27, 20,687.04 and 5,473.29

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Solution

The fourth proportional to 13,791.27, 20,687.04 and 5,473.29 is: 8,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.27 : 20,687.04 = 5,473.29 : x
  2. Step 2: Convert to fraction form
    13,791.27/20,687.04 = 5,473.29/x
  3. Step 3: Cross multiply
    13,791.27x = 20,687.04 × 5,473.29
  4. Step 4: Simplify right side
    13,791.27x = 113,226,169.16
  5. Step 5: Solve for x
    x = 113,226,169.16/13,791.27
  6. Step 6: Final answer
    x = 8,209.99

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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.