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Finding the Fourth Proportional to 9,951.54, 14,924.92 and 2,929.64

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Solution

The fourth proportional to 9,951.54, 14,924.92 and 2,929.64 is: 4,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.54 : 14,924.92 = 2,929.64 : x
  2. Step 2: Convert to fraction form
    9,951.54/14,924.92 = 2,929.64/x
  3. Step 3: Cross multiply
    9,951.54x = 14,924.92 × 2,929.64
  4. Step 4: Simplify right side
    9,951.54x = 43,724,672.62
  5. Step 5: Solve for x
    x = 43,724,672.62/9,951.54
  6. Step 6: Final answer
    x = 4,393.76

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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.