Home / 13,944.90-20,917.94-4,084.18

Finding the Fourth Proportional to 13,944.90, 20,917.94 and 4,084.18

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Solution

The fourth proportional to 13,944.90, 20,917.94 and 4,084.18 is: 6,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.90 : 20,917.94 = 4,084.18 : x
  2. Step 2: Convert to fraction form
    13,944.90/20,917.94 = 4,084.18/x
  3. Step 3: Cross multiply
    13,944.90x = 20,917.94 × 4,084.18
  4. Step 4: Simplify right side
    13,944.90x = 85,432,632.19
  5. Step 5: Solve for x
    x = 85,432,632.19/13,944.90
  6. Step 6: Final answer
    x = 6,126.44

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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.