Home / 21,450.96-32,180.49-8,127.94

Finding the Fourth Proportional to 21,450.96, 32,180.49 and 8,127.94

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Solution

The fourth proportional to 21,450.96, 32,180.49 and 8,127.94 is: 12,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.96 : 32,180.49 = 8,127.94 : x
  2. Step 2: Convert to fraction form
    21,450.96/32,180.49 = 8,127.94/x
  3. Step 3: Cross multiply
    21,450.96x = 32,180.49 × 8,127.94
  4. Step 4: Simplify right side
    21,450.96x = 261,561,091.89
  5. Step 5: Solve for x
    x = 261,561,091.89/21,450.96
  6. Step 6: Final answer
    x = 12,193.44

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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.