Home / 9,880.20-14,799.17-7,997.96

Finding the Fourth Proportional to 9,880.20, 14,799.17 and 7,997.96

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Solution

The fourth proportional to 9,880.20, 14,799.17 and 7,997.96 is: 11,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.20 : 14,799.17 = 7,997.96 : x
  2. Step 2: Convert to fraction form
    9,880.20/14,799.17 = 7,997.96/x
  3. Step 3: Cross multiply
    9,880.20x = 14,799.17 × 7,997.96
  4. Step 4: Simplify right side
    9,880.20x = 118,363,169.69
  5. Step 5: Solve for x
    x = 118,363,169.69/9,880.20
  6. Step 6: Final answer
    x = 11,979.84

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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.