Home / 20,584.38-30,874.75-5,590.95

Finding the Fourth Proportional to 20,584.38, 30,874.75 and 5,590.95

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Solution

The fourth proportional to 20,584.38, 30,874.75 and 5,590.95 is: 8,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.38 : 30,874.75 = 5,590.95 : x
  2. Step 2: Convert to fraction form
    20,584.38/30,874.75 = 5,590.95/x
  3. Step 3: Cross multiply
    20,584.38x = 30,874.75 × 5,590.95
  4. Step 4: Simplify right side
    20,584.38x = 172,619,183.51
  5. Step 5: Solve for x
    x = 172,619,183.51/20,584.38
  6. Step 6: Final answer
    x = 8,385.93

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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.