Home / 10,770.63-16,156.14-2,979.64

Finding the Fourth Proportional to 10,770.63, 16,156.14 and 2,979.64

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Solution

The fourth proportional to 10,770.63, 16,156.14 and 2,979.64 is: 4,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.63 : 16,156.14 = 2,979.64 : x
  2. Step 2: Convert to fraction form
    10,770.63/16,156.14 = 2,979.64/x
  3. Step 3: Cross multiply
    10,770.63x = 16,156.14 × 2,979.64
  4. Step 4: Simplify right side
    10,770.63x = 48,139,480.99
  5. Step 5: Solve for x
    x = 48,139,480.99/10,770.63
  6. Step 6: Final answer
    x = 4,469.51

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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.