Home / 19,716.42-27,204.58-11,331.30

Finding the Fourth Proportional to 19,716.42, 27,204.58 and 11,331.30

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Solution

The fourth proportional to 19,716.42, 27,204.58 and 11,331.30 is: 15,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.42 : 27,204.58 = 11,331.30 : x
  2. Step 2: Convert to fraction form
    19,716.42/27,204.58 = 11,331.30/x
  3. Step 3: Cross multiply
    19,716.42x = 27,204.58 × 11,331.30
  4. Step 4: Simplify right side
    19,716.42x = 308,263,257.35
  5. Step 5: Solve for x
    x = 308,263,257.35/19,716.42
  6. Step 6: Final answer
    x = 15,634.85

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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.