Home / 20,563.38-30,861.30-10,567.73

Finding the Fourth Proportional to 20,563.38, 30,861.30 and 10,567.73

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Solution

The fourth proportional to 20,563.38, 30,861.30 and 10,567.73 is: 15,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.38 : 30,861.30 = 10,567.73 : x
  2. Step 2: Convert to fraction form
    20,563.38/30,861.30 = 10,567.73/x
  3. Step 3: Cross multiply
    20,563.38x = 30,861.30 × 10,567.73
  4. Step 4: Simplify right side
    20,563.38x = 326,133,731.54
  5. Step 5: Solve for x
    x = 326,133,731.54/20,563.38
  6. Step 6: Final answer
    x = 15,859.93

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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.