Home / 11,946.78-17,912.88-4,924.62

Finding the Fourth Proportional to 11,946.78, 17,912.88 and 4,924.62

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Solution

The fourth proportional to 11,946.78, 17,912.88 and 4,924.62 is: 7,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.78 : 17,912.88 = 4,924.62 : x
  2. Step 2: Convert to fraction form
    11,946.78/17,912.88 = 4,924.62/x
  3. Step 3: Cross multiply
    11,946.78x = 17,912.88 × 4,924.62
  4. Step 4: Simplify right side
    11,946.78x = 88,214,127.11
  5. Step 5: Solve for x
    x = 88,214,127.11/11,946.78
  6. Step 6: Final answer
    x = 7,383.92

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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.