Home / 12,546.77-18,821.06-3,782.37

Finding the Fourth Proportional to 12,546.77, 18,821.06 and 3,782.37

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Solution

The fourth proportional to 12,546.77, 18,821.06 and 3,782.37 is: 5,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.77 : 18,821.06 = 3,782.37 : x
  2. Step 2: Convert to fraction form
    12,546.77/18,821.06 = 3,782.37/x
  3. Step 3: Cross multiply
    12,546.77x = 18,821.06 × 3,782.37
  4. Step 4: Simplify right side
    12,546.77x = 71,188,212.71
  5. Step 5: Solve for x
    x = 71,188,212.71/12,546.77
  6. Step 6: Final answer
    x = 5,673.83

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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.