Home / 19,227.88-28,789.90-9,974.44

Finding the Fourth Proportional to 19,227.88, 28,789.90 and 9,974.44

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Solution

The fourth proportional to 19,227.88, 28,789.90 and 9,974.44 is: 14,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.88 : 28,789.90 = 9,974.44 : x
  2. Step 2: Convert to fraction form
    19,227.88/28,789.90 = 9,974.44/x
  3. Step 3: Cross multiply
    19,227.88x = 28,789.90 × 9,974.44
  4. Step 4: Simplify right side
    19,227.88x = 287,163,130.16
  5. Step 5: Solve for x
    x = 287,163,130.16/19,227.88
  6. Step 6: Final answer
    x = 14,934.73

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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.