Home / 19,716.66-27,205.68-11,755.98

Finding the Fourth Proportional to 19,716.66, 27,205.68 and 11,755.98

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Solution

The fourth proportional to 19,716.66, 27,205.68 and 11,755.98 is: 16,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.66 : 27,205.68 = 11,755.98 : x
  2. Step 2: Convert to fraction form
    19,716.66/27,205.68 = 11,755.98/x
  3. Step 3: Cross multiply
    19,716.66x = 27,205.68 × 11,755.98
  4. Step 4: Simplify right side
    19,716.66x = 319,829,429.97
  5. Step 5: Solve for x
    x = 319,829,429.97/19,716.66
  6. Step 6: Final answer
    x = 16,221.28

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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.