Home / 9,318.43-13,974.80-2,655.47

Finding the Fourth Proportional to 9,318.43, 13,974.80 and 2,655.47

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Solution

The fourth proportional to 9,318.43, 13,974.80 and 2,655.47 is: 3,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.43 : 13,974.80 = 2,655.47 : x
  2. Step 2: Convert to fraction form
    9,318.43/13,974.80 = 2,655.47/x
  3. Step 3: Cross multiply
    9,318.43x = 13,974.80 × 2,655.47
  4. Step 4: Simplify right side
    9,318.43x = 37,109,662.16
  5. Step 5: Solve for x
    x = 37,109,662.16/9,318.43
  6. Step 6: Final answer
    x = 3,982.39

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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.