Home / 12,627.88-18,941.82-3,394.12

Finding the Fourth Proportional to 12,627.88, 18,941.82 and 3,394.12

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Solution

The fourth proportional to 12,627.88, 18,941.82 and 3,394.12 is: 5,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.88 : 18,941.82 = 3,394.12 : x
  2. Step 2: Convert to fraction form
    12,627.88/18,941.82 = 3,394.12/x
  3. Step 3: Cross multiply
    12,627.88x = 18,941.82 × 3,394.12
  4. Step 4: Simplify right side
    12,627.88x = 64,290,810.10
  5. Step 5: Solve for x
    x = 64,290,810.10/12,627.88
  6. Step 6: Final answer
    x = 5,091.18

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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.