Home / 12,791.77-19,186.44-4,470.25

Finding the Fourth Proportional to 12,791.77, 19,186.44 and 4,470.25

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Solution

The fourth proportional to 12,791.77, 19,186.44 and 4,470.25 is: 6,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.77 : 19,186.44 = 4,470.25 : x
  2. Step 2: Convert to fraction form
    12,791.77/19,186.44 = 4,470.25/x
  3. Step 3: Cross multiply
    12,791.77x = 19,186.44 × 4,470.25
  4. Step 4: Simplify right side
    12,791.77x = 85,768,183.41
  5. Step 5: Solve for x
    x = 85,768,183.41/12,791.77
  6. Step 6: Final answer
    x = 6,704.95

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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.