Home / 11,930.28-17,894.88-4,912.98

Finding the Fourth Proportional to 11,930.28, 17,894.88 and 4,912.98

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Solution

The fourth proportional to 11,930.28, 17,894.88 and 4,912.98 is: 7,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.28 : 17,894.88 = 4,912.98 : x
  2. Step 2: Convert to fraction form
    11,930.28/17,894.88 = 4,912.98/x
  3. Step 3: Cross multiply
    11,930.28x = 17,894.88 × 4,912.98
  4. Step 4: Simplify right side
    11,930.28x = 87,917,187.54
  5. Step 5: Solve for x
    x = 87,917,187.54/11,930.28
  6. Step 6: Final answer
    x = 7,369.25

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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.