Home / 10,949.22-16,434.21-6,776.60

Finding the Fourth Proportional to 10,949.22, 16,434.21 and 6,776.60

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Solution

The fourth proportional to 10,949.22, 16,434.21 and 6,776.60 is: 10,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.22 : 16,434.21 = 6,776.60 : x
  2. Step 2: Convert to fraction form
    10,949.22/16,434.21 = 6,776.60/x
  3. Step 3: Cross multiply
    10,949.22x = 16,434.21 × 6,776.60
  4. Step 4: Simplify right side
    10,949.22x = 111,368,067.49
  5. Step 5: Solve for x
    x = 111,368,067.49/10,949.22
  6. Step 6: Final answer
    x = 10,171.32

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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.