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Finding the Fourth Proportional to 9,951.92, 14,925.48 and 2,930.02

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Solution

The fourth proportional to 9,951.92, 14,925.48 and 2,930.02 is: 4,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.92 : 14,925.48 = 2,930.02 : x
  2. Step 2: Convert to fraction form
    9,951.92/14,925.48 = 2,930.02/x
  3. Step 3: Cross multiply
    9,951.92x = 14,925.48 × 2,930.02
  4. Step 4: Simplify right side
    9,951.92x = 43,731,990.56
  5. Step 5: Solve for x
    x = 43,731,990.56/9,951.92
  6. Step 6: Final answer
    x = 4,394.33

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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.