Home / 10,771.07-16,156.61-2,979.68

Finding the Fourth Proportional to 10,771.07, 16,156.61 and 2,979.68

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Solution

The fourth proportional to 10,771.07, 16,156.61 and 2,979.68 is: 4,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.07 : 16,156.61 = 2,979.68 : x
  2. Step 2: Convert to fraction form
    10,771.07/16,156.61 = 2,979.68/x
  3. Step 3: Cross multiply
    10,771.07x = 16,156.61 × 2,979.68
  4. Step 4: Simplify right side
    10,771.07x = 48,141,512.79
  5. Step 5: Solve for x
    x = 48,141,512.79/10,771.07
  6. Step 6: Final answer
    x = 4,469.52

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1.5x scale

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.