Home / 19,230.12-28,843.80-5,190.94

Finding the Fourth Proportional to 19,230.12, 28,843.80 and 5,190.94

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Solution

The fourth proportional to 19,230.12, 28,843.80 and 5,190.94 is: 7,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.12 : 28,843.80 = 5,190.94 : x
  2. Step 2: Convert to fraction form
    19,230.12/28,843.80 = 5,190.94/x
  3. Step 3: Cross multiply
    19,230.12x = 28,843.80 × 5,190.94
  4. Step 4: Simplify right side
    19,230.12x = 149,726,520.26
  5. Step 5: Solve for x
    x = 149,726,520.26/19,230.12
  6. Step 6: Final answer
    x = 7,786.04

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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.