Home / 36,486.42-54,734.10-12,474.68

Finding the Fourth Proportional to 36,486.42, 54,734.10 and 12,474.68

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Solution

The fourth proportional to 36,486.42, 54,734.10 and 12,474.68 is: 18,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.42 : 54,734.10 = 12,474.68 : x
  2. Step 2: Convert to fraction form
    36,486.42/54,734.10 = 12,474.68/x
  3. Step 3: Cross multiply
    36,486.42x = 54,734.10 × 12,474.68
  4. Step 4: Simplify right side
    36,486.42x = 682,790,108.92
  5. Step 5: Solve for x
    x = 682,790,108.92/36,486.42
  6. Step 6: Final answer
    x = 18,713.54

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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.