Home / 12,367.22-18,551.03-3,602.61

Finding the Fourth Proportional to 12,367.22, 18,551.03 and 3,602.61

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Solution

The fourth proportional to 12,367.22, 18,551.03 and 3,602.61 is: 5,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.22 : 18,551.03 = 3,602.61 : x
  2. Step 2: Convert to fraction form
    12,367.22/18,551.03 = 3,602.61/x
  3. Step 3: Cross multiply
    12,367.22x = 18,551.03 × 3,602.61
  4. Step 4: Simplify right side
    12,367.22x = 66,832,108.18
  5. Step 5: Solve for x
    x = 66,832,108.18/12,367.22
  6. Step 6: Final answer
    x = 5,403.97

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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.