Home / 20,732.67-28,611.09-12,234.80

Finding the Fourth Proportional to 20,732.67, 28,611.09 and 12,234.80

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Solution

The fourth proportional to 20,732.67, 28,611.09 and 12,234.80 is: 16,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.67 : 28,611.09 = 12,234.80 : x
  2. Step 2: Convert to fraction form
    20,732.67/28,611.09 = 12,234.80/x
  3. Step 3: Cross multiply
    20,732.67x = 28,611.09 × 12,234.80
  4. Step 4: Simplify right side
    20,732.67x = 350,051,035.46
  5. Step 5: Solve for x
    x = 350,051,035.46/20,732.67
  6. Step 6: Final answer
    x = 16,884.03

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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.