Home / 12,005.66-18,008.49-3,241.26

Finding the Fourth Proportional to 12,005.66, 18,008.49 and 3,241.26

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Solution

The fourth proportional to 12,005.66, 18,008.49 and 3,241.26 is: 4,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.66 : 18,008.49 = 3,241.26 : x
  2. Step 2: Convert to fraction form
    12,005.66/18,008.49 = 3,241.26/x
  3. Step 3: Cross multiply
    12,005.66x = 18,008.49 × 3,241.26
  4. Step 4: Simplify right side
    12,005.66x = 58,370,198.30
  5. Step 5: Solve for x
    x = 58,370,198.30/12,005.66
  6. Step 6: Final answer
    x = 4,861.89

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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.