Home / 11,922.31-17,883.25-4,905.55

Finding the Fourth Proportional to 11,922.31, 17,883.25 and 4,905.55

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Solution

The fourth proportional to 11,922.31, 17,883.25 and 4,905.55 is: 7,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.31 : 17,883.25 = 4,905.55 : x
  2. Step 2: Convert to fraction form
    11,922.31/17,883.25 = 4,905.55/x
  3. Step 3: Cross multiply
    11,922.31x = 17,883.25 × 4,905.55
  4. Step 4: Simplify right side
    11,922.31x = 87,727,177.04
  5. Step 5: Solve for x
    x = 87,727,177.04/11,922.31
  6. Step 6: Final answer
    x = 7,358.24

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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.