Home / 12,214.13-18,321.21-4,006.13

Finding the Fourth Proportional to 12,214.13, 18,321.21 and 4,006.13

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Solution

The fourth proportional to 12,214.13, 18,321.21 and 4,006.13 is: 6,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.13 : 18,321.21 = 4,006.13 : x
  2. Step 2: Convert to fraction form
    12,214.13/18,321.21 = 4,006.13/x
  3. Step 3: Cross multiply
    12,214.13x = 18,321.21 × 4,006.13
  4. Step 4: Simplify right side
    12,214.13x = 73,397,057.41
  5. Step 5: Solve for x
    x = 73,397,057.41/12,214.13
  6. Step 6: Final answer
    x = 6,009.19

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Similar ratio
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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.