Home / 12,450.49-17,181.01-7,144.96

Finding the Fourth Proportional to 12,450.49, 17,181.01 and 7,144.96

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Solution

The fourth proportional to 12,450.49, 17,181.01 and 7,144.96 is: 9,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.49 : 17,181.01 = 7,144.96 : x
  2. Step 2: Convert to fraction form
    12,450.49/17,181.01 = 7,144.96/x
  3. Step 3: Cross multiply
    12,450.49x = 17,181.01 × 7,144.96
  4. Step 4: Simplify right side
    12,450.49x = 122,757,543.30
  5. Step 5: Solve for x
    x = 122,757,543.30/12,450.49
  6. Step 6: Final answer
    x = 9,859.66

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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.