Home / 12,094.56-18,136.92-3,771.78

Finding the Fourth Proportional to 12,094.56, 18,136.92 and 3,771.78

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Solution

The fourth proportional to 12,094.56, 18,136.92 and 3,771.78 is: 5,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.56 : 18,136.92 = 3,771.78 : x
  2. Step 2: Convert to fraction form
    12,094.56/18,136.92 = 3,771.78/x
  3. Step 3: Cross multiply
    12,094.56x = 18,136.92 × 3,771.78
  4. Step 4: Simplify right side
    12,094.56x = 68,408,472.12
  5. Step 5: Solve for x
    x = 68,408,472.12/12,094.56
  6. Step 6: Final answer
    x = 5,656.14

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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.