Home / 12,817-19,226.22-3,583.72

Finding the Fourth Proportional to 12,817, 19,226.22 and 3,583.72

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Solution

The fourth proportional to 12,817, 19,226.22 and 3,583.72 is: 5,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817 : 19,226.22 = 3,583.72 : x
  2. Step 2: Convert to fraction form
    12,817/19,226.22 = 3,583.72/x
  3. Step 3: Cross multiply
    12,817x = 19,226.22 × 3,583.72
  4. Step 4: Simplify right side
    12,817x = 68,901,389.14
  5. Step 5: Solve for x
    x = 68,901,389.14/12,817
  6. Step 6: Final answer
    x = 5,375.78

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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.