Home / 12,344.19-18,518.11-3,577.97

Finding the Fourth Proportional to 12,344.19, 18,518.11 and 3,577.97

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Solution

The fourth proportional to 12,344.19, 18,518.11 and 3,577.97 is: 5,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.19 : 18,518.11 = 3,577.97 : x
  2. Step 2: Convert to fraction form
    12,344.19/18,518.11 = 3,577.97/x
  3. Step 3: Cross multiply
    12,344.19x = 18,518.11 × 3,577.97
  4. Step 4: Simplify right side
    12,344.19x = 66,257,149.45
  5. Step 5: Solve for x
    x = 66,257,149.45/12,344.19
  6. Step 6: Final answer
    x = 5,367.48

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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.