Home / 22,728.13-34,092.20-7,145.75

Finding the Fourth Proportional to 22,728.13, 34,092.20 and 7,145.75

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Solution

The fourth proportional to 22,728.13, 34,092.20 and 7,145.75 is: 10,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.13 : 34,092.20 = 7,145.75 : x
  2. Step 2: Convert to fraction form
    22,728.13/34,092.20 = 7,145.75/x
  3. Step 3: Cross multiply
    22,728.13x = 34,092.20 × 7,145.75
  4. Step 4: Simplify right side
    22,728.13x = 243,614,338.15
  5. Step 5: Solve for x
    x = 243,614,338.15/22,728.13
  6. Step 6: Final answer
    x = 10,718.63

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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.