Home / 12,406.22-18,605.37-4,084.38

Finding the Fourth Proportional to 12,406.22, 18,605.37 and 4,084.38

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Solution

The fourth proportional to 12,406.22, 18,605.37 and 4,084.38 is: 6,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.22 : 18,605.37 = 4,084.38 : x
  2. Step 2: Convert to fraction form
    12,406.22/18,605.37 = 4,084.38/x
  3. Step 3: Cross multiply
    12,406.22x = 18,605.37 × 4,084.38
  4. Step 4: Simplify right side
    12,406.22x = 75,991,401.12
  5. Step 5: Solve for x
    x = 75,991,401.12/12,406.22
  6. Step 6: Final answer
    x = 6,125.27

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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.