Home / 12,164.90-18,247.08-3,399.62

Finding the Fourth Proportional to 12,164.90, 18,247.08 and 3,399.62

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Solution

The fourth proportional to 12,164.90, 18,247.08 and 3,399.62 is: 5,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.90 : 18,247.08 = 3,399.62 : x
  2. Step 2: Convert to fraction form
    12,164.90/18,247.08 = 3,399.62/x
  3. Step 3: Cross multiply
    12,164.90x = 18,247.08 × 3,399.62
  4. Step 4: Simplify right side
    12,164.90x = 62,033,138.11
  5. Step 5: Solve for x
    x = 62,033,138.11/12,164.90
  6. Step 6: Final answer
    x = 5,099.35

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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.