Home / 18,618.99-27,882.91-12,025.18

Finding the Fourth Proportional to 18,618.99, 27,882.91 and 12,025.18

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Solution

The fourth proportional to 18,618.99, 27,882.91 and 12,025.18 is: 18,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.99 : 27,882.91 = 12,025.18 : x
  2. Step 2: Convert to fraction form
    18,618.99/27,882.91 = 12,025.18/x
  3. Step 3: Cross multiply
    18,618.99x = 27,882.91 × 12,025.18
  4. Step 4: Simplify right side
    18,618.99x = 335,297,011.67
  5. Step 5: Solve for x
    x = 335,297,011.67/18,618.99
  6. Step 6: Final answer
    x = 18,008.34

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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.