Home / 20,192.21-27,861.02-12,232.89

Finding the Fourth Proportional to 20,192.21, 27,861.02 and 12,232.89

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Solution

The fourth proportional to 20,192.21, 27,861.02 and 12,232.89 is: 16,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.21 : 27,861.02 = 12,232.89 : x
  2. Step 2: Convert to fraction form
    20,192.21/27,861.02 = 12,232.89/x
  3. Step 3: Cross multiply
    20,192.21x = 27,861.02 × 12,232.89
  4. Step 4: Simplify right side
    20,192.21x = 340,820,792.95
  5. Step 5: Solve for x
    x = 340,820,792.95/20,192.21
  6. Step 6: Final answer
    x = 16,878.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.