Home / 19,125.42-28,634.92-9,745.21

Finding the Fourth Proportional to 19,125.42, 28,634.92 and 9,745.21

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Solution

The fourth proportional to 19,125.42, 28,634.92 and 9,745.21 is: 14,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.42 : 28,634.92 = 9,745.21 : x
  2. Step 2: Convert to fraction form
    19,125.42/28,634.92 = 9,745.21/x
  3. Step 3: Cross multiply
    19,125.42x = 28,634.92 × 9,745.21
  4. Step 4: Simplify right side
    19,125.42x = 279,053,320.16
  5. Step 5: Solve for x
    x = 279,053,320.16/19,125.42
  6. Step 6: Final answer
    x = 14,590.71

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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.