Home / 36,006.54-54,015.21-12,628.86

Finding the Fourth Proportional to 36,006.54, 54,015.21 and 12,628.86

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Solution

The fourth proportional to 36,006.54, 54,015.21 and 12,628.86 is: 18,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.54 : 54,015.21 = 12,628.86 : x
  2. Step 2: Convert to fraction form
    36,006.54/54,015.21 = 12,628.86/x
  3. Step 3: Cross multiply
    36,006.54x = 54,015.21 × 12,628.86
  4. Step 4: Simplify right side
    36,006.54x = 682,150,524.96
  5. Step 5: Solve for x
    x = 682,150,524.96/36,006.54
  6. Step 6: Final answer
    x = 18,945.18

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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.