Home / 13,351.86-19,998.60-6,766.74

Finding the Fourth Proportional to 13,351.86, 19,998.60 and 6,766.74

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Solution

The fourth proportional to 13,351.86, 19,998.60 and 6,766.74 is: 10,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.86 : 19,998.60 = 6,766.74 : x
  2. Step 2: Convert to fraction form
    13,351.86/19,998.60 = 6,766.74/x
  3. Step 3: Cross multiply
    13,351.86x = 19,998.60 × 6,766.74
  4. Step 4: Simplify right side
    13,351.86x = 135,325,326.56
  5. Step 5: Solve for x
    x = 135,325,326.56/13,351.86
  6. Step 6: Final answer
    x = 10,135.32

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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.