Home / 11,753.60-16,218.92-6,716.82

Finding the Fourth Proportional to 11,753.60, 16,218.92 and 6,716.82

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Solution

The fourth proportional to 11,753.60, 16,218.92 and 6,716.82 is: 9,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.60 : 16,218.92 = 6,716.82 : x
  2. Step 2: Convert to fraction form
    11,753.60/16,218.92 = 6,716.82/x
  3. Step 3: Cross multiply
    11,753.60x = 16,218.92 × 6,716.82
  4. Step 4: Simplify right side
    11,753.60x = 108,939,566.23
  5. Step 5: Solve for x
    x = 108,939,566.23/11,753.60
  6. Step 6: Final answer
    x = 9,268.61

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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.