Home / 12,093.24-18,142.12-4,195.40

Finding the Fourth Proportional to 12,093.24, 18,142.12 and 4,195.40

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Solution

The fourth proportional to 12,093.24, 18,142.12 and 4,195.40 is: 6,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.24 : 18,142.12 = 4,195.40 : x
  2. Step 2: Convert to fraction form
    12,093.24/18,142.12 = 4,195.40/x
  3. Step 3: Cross multiply
    12,093.24x = 18,142.12 × 4,195.40
  4. Step 4: Simplify right side
    12,093.24x = 76,113,450.25
  5. Step 5: Solve for x
    x = 76,113,450.25/12,093.24
  6. Step 6: Final answer
    x = 6,293.88

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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.