Home / 20,093.55-27,729.75-12,134.17

Finding the Fourth Proportional to 20,093.55, 27,729.75 and 12,134.17

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Solution

The fourth proportional to 20,093.55, 27,729.75 and 12,134.17 is: 16,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.55 : 27,729.75 = 12,134.17 : x
  2. Step 2: Convert to fraction form
    20,093.55/27,729.75 = 12,134.17/x
  3. Step 3: Cross multiply
    20,093.55x = 27,729.75 × 12,134.17
  4. Step 4: Simplify right side
    20,093.55x = 336,477,500.56
  5. Step 5: Solve for x
    x = 336,477,500.56/20,093.55
  6. Step 6: Final answer
    x = 16,745.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.