Home / 12,164.76-18,244.62-3,400.38

Finding the Fourth Proportional to 12,164.76, 18,244.62 and 3,400.38

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Solution

The fourth proportional to 12,164.76, 18,244.62 and 3,400.38 is: 5,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.76 : 18,244.62 = 3,400.38 : x
  2. Step 2: Convert to fraction form
    12,164.76/18,244.62 = 3,400.38/x
  3. Step 3: Cross multiply
    12,164.76x = 18,244.62 × 3,400.38
  4. Step 4: Simplify right side
    12,164.76x = 62,038,640.96
  5. Step 5: Solve for x
    x = 62,038,640.96/12,164.76
  6. Step 6: Final answer
    x = 5,099.87

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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.