Home / 12,164.96-18,236.40-4,371.94

Finding the Fourth Proportional to 12,164.96, 18,236.40 and 4,371.94

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Solution

The fourth proportional to 12,164.96, 18,236.40 and 4,371.94 is: 6,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.96 : 18,236.40 = 4,371.94 : x
  2. Step 2: Convert to fraction form
    12,164.96/18,236.40 = 4,371.94/x
  3. Step 3: Cross multiply
    12,164.96x = 18,236.40 × 4,371.94
  4. Step 4: Simplify right side
    12,164.96x = 79,728,446.62
  5. Step 5: Solve for x
    x = 79,728,446.62/12,164.96
  6. Step 6: Final answer
    x = 6,553.94

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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.