Home / 12,729.88-19,045.14-11,252.44

Finding the Fourth Proportional to 12,729.88, 19,045.14 and 11,252.44

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Solution

The fourth proportional to 12,729.88, 19,045.14 and 11,252.44 is: 16,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.88 : 19,045.14 = 11,252.44 : x
  2. Step 2: Convert to fraction form
    12,729.88/19,045.14 = 11,252.44/x
  3. Step 3: Cross multiply
    12,729.88x = 19,045.14 × 11,252.44
  4. Step 4: Simplify right side
    12,729.88x = 214,304,295.14
  5. Step 5: Solve for x
    x = 214,304,295.14/12,729.88
  6. Step 6: Final answer
    x = 16,834.75

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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.