Home / 19,292.20-28,900.68-12,698.44

Finding the Fourth Proportional to 19,292.20, 28,900.68 and 12,698.44

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Solution

The fourth proportional to 19,292.20, 28,900.68 and 12,698.44 is: 19,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.20 : 28,900.68 = 12,698.44 : x
  2. Step 2: Convert to fraction form
    19,292.20/28,900.68 = 12,698.44/x
  3. Step 3: Cross multiply
    19,292.20x = 28,900.68 × 12,698.44
  4. Step 4: Simplify right side
    19,292.20x = 366,993,550.94
  5. Step 5: Solve for x
    x = 366,993,550.94/19,292.20
  6. Step 6: Final answer
    x = 19,022.90

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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.