Home / 10,968.30-16,451.64-3,176.64

Finding the Fourth Proportional to 10,968.30, 16,451.64 and 3,176.64

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Solution

The fourth proportional to 10,968.30, 16,451.64 and 3,176.64 is: 4,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.30 : 16,451.64 = 3,176.64 : x
  2. Step 2: Convert to fraction form
    10,968.30/16,451.64 = 3,176.64/x
  3. Step 3: Cross multiply
    10,968.30x = 16,451.64 × 3,176.64
  4. Step 4: Simplify right side
    10,968.30x = 52,260,937.69
  5. Step 5: Solve for x
    x = 52,260,937.69/10,968.30
  6. Step 6: Final answer
    x = 4,764.73

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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.