Home / 13,074.75-19,620.77-6,149.79

Finding the Fourth Proportional to 13,074.75, 19,620.77 and 6,149.79

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Solution

The fourth proportional to 13,074.75, 19,620.77 and 6,149.79 is: 9,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.75 : 19,620.77 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    13,074.75/19,620.77 = 6,149.79/x
  3. Step 3: Cross multiply
    13,074.75x = 19,620.77 × 6,149.79
  4. Step 4: Simplify right side
    13,074.75x = 120,663,584.39
  5. Step 5: Solve for x
    x = 120,663,584.39/13,074.75
  6. Step 6: Final answer
    x = 9,228.75

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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.