Home / 12,770.24-17,623.20-7,183.04

Finding the Fourth Proportional to 12,770.24, 17,623.20 and 7,183.04

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Solution

The fourth proportional to 12,770.24, 17,623.20 and 7,183.04 is: 9,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.24 : 17,623.20 = 7,183.04 : x
  2. Step 2: Convert to fraction form
    12,770.24/17,623.20 = 7,183.04/x
  3. Step 3: Cross multiply
    12,770.24x = 17,623.20 × 7,183.04
  4. Step 4: Simplify right side
    12,770.24x = 126,588,150.53
  5. Step 5: Solve for x
    x = 126,588,150.53/12,770.24
  6. Step 6: Final answer
    x = 9,912.75

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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.