Home / 9,912.38-14,867.75-2,892.31

Finding the Fourth Proportional to 9,912.38, 14,867.75 and 2,892.31

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Solution

The fourth proportional to 9,912.38, 14,867.75 and 2,892.31 is: 4,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.38 : 14,867.75 = 2,892.31 : x
  2. Step 2: Convert to fraction form
    9,912.38/14,867.75 = 2,892.31/x
  3. Step 3: Cross multiply
    9,912.38x = 14,867.75 × 2,892.31
  4. Step 4: Simplify right side
    9,912.38x = 43,002,112.06
  5. Step 5: Solve for x
    x = 43,002,112.06/9,912.38
  6. Step 6: Final answer
    x = 4,338.22

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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.