Home / 12,546.66-18,822.87-4,226.46

Finding the Fourth Proportional to 12,546.66, 18,822.87 and 4,226.46

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Solution

The fourth proportional to 12,546.66, 18,822.87 and 4,226.46 is: 6,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.66 : 18,822.87 = 4,226.46 : x
  2. Step 2: Convert to fraction form
    12,546.66/18,822.87 = 4,226.46/x
  3. Step 3: Cross multiply
    12,546.66x = 18,822.87 × 4,226.46
  4. Step 4: Simplify right side
    12,546.66x = 79,554,107.14
  5. Step 5: Solve for x
    x = 79,554,107.14/12,546.66
  6. Step 6: Final answer
    x = 6,340.66

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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.