Home / 20,669.54-28,524.29-11,716.83

Finding the Fourth Proportional to 20,669.54, 28,524.29 and 11,716.83

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Solution

The fourth proportional to 20,669.54, 28,524.29 and 11,716.83 is: 16,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.54 : 28,524.29 = 11,716.83 : x
  2. Step 2: Convert to fraction form
    20,669.54/28,524.29 = 11,716.83/x
  3. Step 3: Cross multiply
    20,669.54x = 28,524.29 × 11,716.83
  4. Step 4: Simplify right side
    20,669.54x = 334,214,198.22
  5. Step 5: Solve for x
    x = 334,214,198.22/20,669.54
  6. Step 6: Final answer
    x = 16,169.41

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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.