Home / 13,817.80-20,727.44-3,958.52

Finding the Fourth Proportional to 13,817.80, 20,727.44 and 3,958.52

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Solution

The fourth proportional to 13,817.80, 20,727.44 and 3,958.52 is: 5,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.80 : 20,727.44 = 3,958.52 : x
  2. Step 2: Convert to fraction form
    13,817.80/20,727.44 = 3,958.52/x
  3. Step 3: Cross multiply
    13,817.80x = 20,727.44 × 3,958.52
  4. Step 4: Simplify right side
    13,817.80x = 82,049,985.79
  5. Step 5: Solve for x
    x = 82,049,985.79/13,817.80
  6. Step 6: Final answer
    x = 5,937.99

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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.