Home / 11,687.97-17,531.95-2,922.88

Finding the Fourth Proportional to 11,687.97, 17,531.95 and 2,922.88

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Solution

The fourth proportional to 11,687.97, 17,531.95 and 2,922.88 is: 4,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.97 : 17,531.95 = 2,922.88 : x
  2. Step 2: Convert to fraction form
    11,687.97/17,531.95 = 2,922.88/x
  3. Step 3: Cross multiply
    11,687.97x = 17,531.95 × 2,922.88
  4. Step 4: Simplify right side
    11,687.97x = 51,243,811.58
  5. Step 5: Solve for x
    x = 51,243,811.58/11,687.97
  6. Step 6: Final answer
    x = 4,384.32

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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.