Home / 20,410.38-30,627.40-8,563.10

Finding the Fourth Proportional to 20,410.38, 30,627.40 and 8,563.10

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Solution

The fourth proportional to 20,410.38, 30,627.40 and 8,563.10 is: 12,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.38 : 30,627.40 = 8,563.10 : x
  2. Step 2: Convert to fraction form
    20,410.38/30,627.40 = 8,563.10/x
  3. Step 3: Cross multiply
    20,410.38x = 30,627.40 × 8,563.10
  4. Step 4: Simplify right side
    20,410.38x = 262,265,488.94
  5. Step 5: Solve for x
    x = 262,265,488.94/20,410.38
  6. Step 6: Final answer
    x = 12,849.61

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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.