Home / 9,318.14-13,972.38-2,743.47

Finding the Fourth Proportional to 9,318.14, 13,972.38 and 2,743.47

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Solution

The fourth proportional to 9,318.14, 13,972.38 and 2,743.47 is: 4,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.14 : 13,972.38 = 2,743.47 : x
  2. Step 2: Convert to fraction form
    9,318.14/13,972.38 = 2,743.47/x
  3. Step 3: Cross multiply
    9,318.14x = 13,972.38 × 2,743.47
  4. Step 4: Simplify right side
    9,318.14x = 38,332,805.36
  5. Step 5: Solve for x
    x = 38,332,805.36/9,318.14
  6. Step 6: Final answer
    x = 4,113.79

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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.