Home / 12,096.10-18,144.15-11,221.30

Finding the Fourth Proportional to 12,096.10, 18,144.15 and 11,221.30

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Solution

The fourth proportional to 12,096.10, 18,144.15 and 11,221.30 is: 16,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.10 : 18,144.15 = 11,221.30 : x
  2. Step 2: Convert to fraction form
    12,096.10/18,144.15 = 11,221.30/x
  3. Step 3: Cross multiply
    12,096.10x = 18,144.15 × 11,221.30
  4. Step 4: Simplify right side
    12,096.10x = 203,600,950.40
  5. Step 5: Solve for x
    x = 203,600,950.40/12,096.10
  6. Step 6: Final answer
    x = 16,831.95

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Half scale
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Double scale
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Similar ratio
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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.