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Finding the Fourth Proportional to 11,930.59, 16,468.80 and 7,950.25

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Solution

The fourth proportional to 11,930.59, 16,468.80 and 7,950.25 is: 10,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.59 : 16,468.80 = 7,950.25 : x
  2. Step 2: Convert to fraction form
    11,930.59/16,468.80 = 7,950.25/x
  3. Step 3: Cross multiply
    11,930.59x = 16,468.80 × 7,950.25
  4. Step 4: Simplify right side
    11,930.59x = 130,930,994.86
  5. Step 5: Solve for x
    x = 130,930,994.86/11,930.59
  6. Step 6: Final answer
    x = 10,974.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.