Home / 11,131.42-16,716.21-9,884.82

Finding the Fourth Proportional to 11,131.42, 16,716.21 and 9,884.82

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Solution

The fourth proportional to 11,131.42, 16,716.21 and 9,884.82 is: 14,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.42 : 16,716.21 = 9,884.82 : x
  2. Step 2: Convert to fraction form
    11,131.42/16,716.21 = 9,884.82/x
  3. Step 3: Cross multiply
    11,131.42x = 16,716.21 × 9,884.82
  4. Step 4: Simplify right side
    11,131.42x = 165,236,726.93
  5. Step 5: Solve for x
    x = 165,236,726.93/11,131.42
  6. Step 6: Final answer
    x = 14,844.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.