Home / 11,822.68-16,197-11,379.52

Finding the Fourth Proportional to 11,822.68, 16,197 and 11,379.52

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Solution

The fourth proportional to 11,822.68, 16,197 and 11,379.52 is: 15,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.68 : 16,197 = 11,379.52 : x
  2. Step 2: Convert to fraction form
    11,822.68/16,197 = 11,379.52/x
  3. Step 3: Cross multiply
    11,822.68x = 16,197 × 11,379.52
  4. Step 4: Simplify right side
    11,822.68x = 184,314,085.44
  5. Step 5: Solve for x
    x = 184,314,085.44/11,822.68
  6. Step 6: Final answer
    x = 15,589.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.