Home / 12,571.70-18,857.48-3,083.90

Finding the Fourth Proportional to 12,571.70, 18,857.48 and 3,083.90

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Solution

The fourth proportional to 12,571.70, 18,857.48 and 3,083.90 is: 4,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.70 : 18,857.48 = 3,083.90 : x
  2. Step 2: Convert to fraction form
    12,571.70/18,857.48 = 3,083.90/x
  3. Step 3: Cross multiply
    12,571.70x = 18,857.48 × 3,083.90
  4. Step 4: Simplify right side
    12,571.70x = 58,154,582.57
  5. Step 5: Solve for x
    x = 58,154,582.57/12,571.70
  6. Step 6: Final answer
    x = 4,625.83

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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.