Home / 11,704.19-16,151.82-6,399.09

Finding the Fourth Proportional to 11,704.19, 16,151.82 and 6,399.09

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Solution

The fourth proportional to 11,704.19, 16,151.82 and 6,399.09 is: 8,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.19 : 16,151.82 = 6,399.09 : x
  2. Step 2: Convert to fraction form
    11,704.19/16,151.82 = 6,399.09/x
  3. Step 3: Cross multiply
    11,704.19x = 16,151.82 × 6,399.09
  4. Step 4: Simplify right side
    11,704.19x = 103,356,949.84
  5. Step 5: Solve for x
    x = 103,356,949.84/11,704.19
  6. Step 6: Final answer
    x = 8,830.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.