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Finding the Fourth Proportional to 18,096.10, 27,136.05 and 8,230.30

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Solution

The fourth proportional to 18,096.10, 27,136.05 and 8,230.30 is: 12,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.10 : 27,136.05 = 8,230.30 : x
  2. Step 2: Convert to fraction form
    18,096.10/27,136.05 = 8,230.30/x
  3. Step 3: Cross multiply
    18,096.10x = 27,136.05 × 8,230.30
  4. Step 4: Simplify right side
    18,096.10x = 223,337,832.32
  5. Step 5: Solve for x
    x = 223,337,832.32/18,096.10
  6. Step 6: Final answer
    x = 12,341.77

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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.