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Finding the Fourth Proportional to 12,226.52, 18,323.22 and 6,371.12

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Solution

The fourth proportional to 12,226.52, 18,323.22 and 6,371.12 is: 9,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.52 : 18,323.22 = 6,371.12 : x
  2. Step 2: Convert to fraction form
    12,226.52/18,323.22 = 6,371.12/x
  3. Step 3: Cross multiply
    12,226.52x = 18,323.22 × 6,371.12
  4. Step 4: Simplify right side
    12,226.52x = 116,739,433.41
  5. Step 5: Solve for x
    x = 116,739,433.41/12,226.52
  6. Step 6: Final answer
    x = 9,548.05

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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.