Home / 20,635.39-30,958.32-9,550.06

Finding the Fourth Proportional to 20,635.39, 30,958.32 and 9,550.06

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Solution

The fourth proportional to 20,635.39, 30,958.32 and 9,550.06 is: 14,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.39 : 30,958.32 = 9,550.06 : x
  2. Step 2: Convert to fraction form
    20,635.39/30,958.32 = 9,550.06/x
  3. Step 3: Cross multiply
    20,635.39x = 30,958.32 × 9,550.06
  4. Step 4: Simplify right side
    20,635.39x = 295,653,813.50
  5. Step 5: Solve for x
    x = 295,653,813.50/20,635.39
  6. Step 6: Final answer
    x = 14,327.51

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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.