Home / 18,216.62-25,155.39-11,514.14

Finding the Fourth Proportional to 18,216.62, 25,155.39 and 11,514.14

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Solution

The fourth proportional to 18,216.62, 25,155.39 and 11,514.14 is: 15,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.62 : 25,155.39 = 11,514.14 : x
  2. Step 2: Convert to fraction form
    18,216.62/25,155.39 = 11,514.14/x
  3. Step 3: Cross multiply
    18,216.62x = 25,155.39 × 11,514.14
  4. Step 4: Simplify right side
    18,216.62x = 289,642,682.21
  5. Step 5: Solve for x
    x = 289,642,682.21/18,216.62
  6. Step 6: Final answer
    x = 15,899.91

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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.