Home / 13,727.14-18,943.46-7,439.52

Finding the Fourth Proportional to 13,727.14, 18,943.46 and 7,439.52

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Solution

The fourth proportional to 13,727.14, 18,943.46 and 7,439.52 is: 10,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.14 : 18,943.46 = 7,439.52 : x
  2. Step 2: Convert to fraction form
    13,727.14/18,943.46 = 7,439.52/x
  3. Step 3: Cross multiply
    13,727.14x = 18,943.46 × 7,439.52
  4. Step 4: Simplify right side
    13,727.14x = 140,930,249.54
  5. Step 5: Solve for x
    x = 140,930,249.54/13,727.14
  6. Step 6: Final answer
    x = 10,266.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.