Home / 11,712.09-16,163.27-6,934.77

Finding the Fourth Proportional to 11,712.09, 16,163.27 and 6,934.77

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Solution

The fourth proportional to 11,712.09, 16,163.27 and 6,934.77 is: 9,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.09 : 16,163.27 = 6,934.77 : x
  2. Step 2: Convert to fraction form
    11,712.09/16,163.27 = 6,934.77/x
  3. Step 3: Cross multiply
    11,712.09x = 16,163.27 × 6,934.77
  4. Step 4: Simplify right side
    11,712.09x = 112,088,559.90
  5. Step 5: Solve for x
    x = 112,088,559.90/11,712.09
  6. Step 6: Final answer
    x = 9,570.33

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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.