Home / 12,273.21-18,409.82-3,508.13

Finding the Fourth Proportional to 12,273.21, 18,409.82 and 3,508.13

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Solution

The fourth proportional to 12,273.21, 18,409.82 and 3,508.13 is: 5,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.21 : 18,409.82 = 3,508.13 : x
  2. Step 2: Convert to fraction form
    12,273.21/18,409.82 = 3,508.13/x
  3. Step 3: Cross multiply
    12,273.21x = 18,409.82 × 3,508.13
  4. Step 4: Simplify right side
    12,273.21x = 64,583,996.37
  5. Step 5: Solve for x
    x = 64,583,996.37/12,273.21
  6. Step 6: Final answer
    x = 5,262.19

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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.