Home / 22,174.94-30,601.42-15,113.70

Finding the Fourth Proportional to 22,174.94, 30,601.42 and 15,113.70

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Solution

The fourth proportional to 22,174.94, 30,601.42 and 15,113.70 is: 20,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.94 : 30,601.42 = 15,113.70 : x
  2. Step 2: Convert to fraction form
    22,174.94/30,601.42 = 15,113.70/x
  3. Step 3: Cross multiply
    22,174.94x = 30,601.42 × 15,113.70
  4. Step 4: Simplify right side
    22,174.94x = 462,500,452.88
  5. Step 5: Solve for x
    x = 462,500,452.88/22,174.94
  6. Step 6: Final answer
    x = 20,856.90

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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.