Home / 36,108.39-54,163.69-9,813.69

Finding the Fourth Proportional to 36,108.39, 54,163.69 and 9,813.69

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Solution

The fourth proportional to 36,108.39, 54,163.69 and 9,813.69 is: 14,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.39 : 54,163.69 = 9,813.69 : x
  2. Step 2: Convert to fraction form
    36,108.39/54,163.69 = 9,813.69/x
  3. Step 3: Cross multiply
    36,108.39x = 54,163.69 × 9,813.69
  4. Step 4: Simplify right side
    36,108.39x = 531,545,662.92
  5. Step 5: Solve for x
    x = 531,545,662.92/36,108.39
  6. Step 6: Final answer
    x = 14,720.84

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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.