Home / 20,084.94-30,131.64-7,604.73

Finding the Fourth Proportional to 20,084.94, 30,131.64 and 7,604.73

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Solution

The fourth proportional to 20,084.94, 30,131.64 and 7,604.73 is: 11,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.94 : 30,131.64 = 7,604.73 : x
  2. Step 2: Convert to fraction form
    20,084.94/30,131.64 = 7,604.73/x
  3. Step 3: Cross multiply
    20,084.94x = 30,131.64 × 7,604.73
  4. Step 4: Simplify right side
    20,084.94x = 229,142,986.66
  5. Step 5: Solve for x
    x = 229,142,986.66/20,084.94
  6. Step 6: Final answer
    x = 11,408.70

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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.