Home / 18,550.20-25,594.68-10,998.30

Finding the Fourth Proportional to 18,550.20, 25,594.68 and 10,998.30

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Solution

The fourth proportional to 18,550.20, 25,594.68 and 10,998.30 is: 15,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.20 : 25,594.68 = 10,998.30 : x
  2. Step 2: Convert to fraction form
    18,550.20/25,594.68 = 10,998.30/x
  3. Step 3: Cross multiply
    18,550.20x = 25,594.68 × 10,998.30
  4. Step 4: Simplify right side
    18,550.20x = 281,497,813.57
  5. Step 5: Solve for x
    x = 281,497,813.57/18,550.20
  6. Step 6: Final answer
    x = 15,174.92

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.