Home / 12,110.12-18,163.82-4,211.27

Finding the Fourth Proportional to 12,110.12, 18,163.82 and 4,211.27

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Solution

The fourth proportional to 12,110.12, 18,163.82 and 4,211.27 is: 6,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.12 : 18,163.82 = 4,211.27 : x
  2. Step 2: Convert to fraction form
    12,110.12/18,163.82 = 4,211.27/x
  3. Step 3: Cross multiply
    12,110.12x = 18,163.82 × 4,211.27
  4. Step 4: Simplify right side
    12,110.12x = 76,492,638.38
  5. Step 5: Solve for x
    x = 76,492,638.38/12,110.12
  6. Step 6: Final answer
    x = 6,316.43

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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.