Home / 11,651.36-16,078.96-6,935.84

Finding the Fourth Proportional to 11,651.36, 16,078.96 and 6,935.84

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Solution

The fourth proportional to 11,651.36, 16,078.96 and 6,935.84 is: 9,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.36 : 16,078.96 = 6,935.84 : x
  2. Step 2: Convert to fraction form
    11,651.36/16,078.96 = 6,935.84/x
  3. Step 3: Cross multiply
    11,651.36x = 16,078.96 × 6,935.84
  4. Step 4: Simplify right side
    11,651.36x = 111,521,093.93
  5. Step 5: Solve for x
    x = 111,521,093.93/11,651.36
  6. Step 6: Final answer
    x = 9,571.51

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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.