Home / 20,410.61-30,586.70-11,627.38

Finding the Fourth Proportional to 20,410.61, 30,586.70 and 11,627.38

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Solution

The fourth proportional to 20,410.61, 30,586.70 and 11,627.38 is: 17,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.61 : 30,586.70 = 11,627.38 : x
  2. Step 2: Convert to fraction form
    20,410.61/30,586.70 = 11,627.38/x
  3. Step 3: Cross multiply
    20,410.61x = 30,586.70 × 11,627.38
  4. Step 4: Simplify right side
    20,410.61x = 355,643,183.85
  5. Step 5: Solve for x
    x = 355,643,183.85/20,410.61
  6. Step 6: Final answer
    x = 17,424.43

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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.