Home / 11,923.12-16,453.38-6,617.44

Finding the Fourth Proportional to 11,923.12, 16,453.38 and 6,617.44

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Solution

The fourth proportional to 11,923.12, 16,453.38 and 6,617.44 is: 9,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.12 : 16,453.38 = 6,617.44 : x
  2. Step 2: Convert to fraction form
    11,923.12/16,453.38 = 6,617.44/x
  3. Step 3: Cross multiply
    11,923.12x = 16,453.38 × 6,617.44
  4. Step 4: Simplify right side
    11,923.12x = 108,879,254.95
  5. Step 5: Solve for x
    x = 108,879,254.95/11,923.12
  6. Step 6: Final answer
    x = 9,131.78

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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.