Home / 20,334.24-30,504.40-7,186.73

Finding the Fourth Proportional to 20,334.24, 30,504.40 and 7,186.73

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Solution

The fourth proportional to 20,334.24, 30,504.40 and 7,186.73 is: 10,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.24 : 30,504.40 = 7,186.73 : x
  2. Step 2: Convert to fraction form
    20,334.24/30,504.40 = 7,186.73/x
  3. Step 3: Cross multiply
    20,334.24x = 30,504.40 × 7,186.73
  4. Step 4: Simplify right side
    20,334.24x = 219,226,716.12
  5. Step 5: Solve for x
    x = 219,226,716.12/20,334.24
  6. Step 6: Final answer
    x = 10,781.16

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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.