Home / 11,951.08-17,929.56-4,159.96

Finding the Fourth Proportional to 11,951.08, 17,929.56 and 4,159.96

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Solution

The fourth proportional to 11,951.08, 17,929.56 and 4,159.96 is: 6,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.08 : 17,929.56 = 4,159.96 : x
  2. Step 2: Convert to fraction form
    11,951.08/17,929.56 = 4,159.96/x
  3. Step 3: Cross multiply
    11,951.08x = 17,929.56 × 4,159.96
  4. Step 4: Simplify right side
    11,951.08x = 74,586,252.42
  5. Step 5: Solve for x
    x = 74,586,252.42/11,951.08
  6. Step 6: Final answer
    x = 6,240.96

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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.