Home / 10,771.02-16,156.52-2,979.84

Finding the Fourth Proportional to 10,771.02, 16,156.52 and 2,979.84

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Solution

The fourth proportional to 10,771.02, 16,156.52 and 2,979.84 is: 4,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.02 : 16,156.52 = 2,979.84 : x
  2. Step 2: Convert to fraction form
    10,771.02/16,156.52 = 2,979.84/x
  3. Step 3: Cross multiply
    10,771.02x = 16,156.52 × 2,979.84
  4. Step 4: Simplify right side
    10,771.02x = 48,143,844.56
  5. Step 5: Solve for x
    x = 48,143,844.56/10,771.02
  6. Step 6: Final answer
    x = 4,469.76

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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.