Home / 12,087.08-18,131.70-3,767.17

Finding the Fourth Proportional to 12,087.08, 18,131.70 and 3,767.17

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Solution

The fourth proportional to 12,087.08, 18,131.70 and 3,767.17 is: 5,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.08 : 18,131.70 = 3,767.17 : x
  2. Step 2: Convert to fraction form
    12,087.08/18,131.70 = 3,767.17/x
  3. Step 3: Cross multiply
    12,087.08x = 18,131.70 × 3,767.17
  4. Step 4: Simplify right side
    12,087.08x = 68,305,105.63
  5. Step 5: Solve for x
    x = 68,305,105.63/12,087.08
  6. Step 6: Final answer
    x = 5,651.08

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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.