Home / 12,600.66-18,893.88-5,196.90

Finding the Fourth Proportional to 12,600.66, 18,893.88 and 5,196.90

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Solution

The fourth proportional to 12,600.66, 18,893.88 and 5,196.90 is: 7,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.66 : 18,893.88 = 5,196.90 : x
  2. Step 2: Convert to fraction form
    12,600.66/18,893.88 = 5,196.90/x
  3. Step 3: Cross multiply
    12,600.66x = 18,893.88 × 5,196.90
  4. Step 4: Simplify right side
    12,600.66x = 98,189,604.97
  5. Step 5: Solve for x
    x = 98,189,604.97/12,600.66
  6. Step 6: Final answer
    x = 7,792.42

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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.