Home / 12,202.38-18,303.57-4,411.26

Finding the Fourth Proportional to 12,202.38, 18,303.57 and 4,411.26

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Solution

The fourth proportional to 12,202.38, 18,303.57 and 4,411.26 is: 6,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.38 : 18,303.57 = 4,411.26 : x
  2. Step 2: Convert to fraction form
    12,202.38/18,303.57 = 4,411.26/x
  3. Step 3: Cross multiply
    12,202.38x = 18,303.57 × 4,411.26
  4. Step 4: Simplify right side
    12,202.38x = 80,741,806.20
  5. Step 5: Solve for x
    x = 80,741,806.20/12,202.38
  6. Step 6: Final answer
    x = 6,616.89

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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.