Home / 11,955.98-17,932.35-3,191.38

Finding the Fourth Proportional to 11,955.98, 17,932.35 and 3,191.38

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Solution

The fourth proportional to 11,955.98, 17,932.35 and 3,191.38 is: 4,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.98 : 17,932.35 = 3,191.38 : x
  2. Step 2: Convert to fraction form
    11,955.98/17,932.35 = 3,191.38/x
  3. Step 3: Cross multiply
    11,955.98x = 17,932.35 × 3,191.38
  4. Step 4: Simplify right side
    11,955.98x = 57,228,943.14
  5. Step 5: Solve for x
    x = 57,228,943.14/11,955.98
  6. Step 6: Final answer
    x = 4,786.64

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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.