Home / 20,626.57-30,937.11-5,836.78

Finding the Fourth Proportional to 20,626.57, 30,937.11 and 5,836.78

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Solution

The fourth proportional to 20,626.57, 30,937.11 and 5,836.78 is: 8,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.57 : 30,937.11 = 5,836.78 : x
  2. Step 2: Convert to fraction form
    20,626.57/30,937.11 = 5,836.78/x
  3. Step 3: Cross multiply
    20,626.57x = 30,937.11 × 5,836.78
  4. Step 4: Simplify right side
    20,626.57x = 180,573,104.91
  5. Step 5: Solve for x
    x = 180,573,104.91/20,626.57
  6. Step 6: Final answer
    x = 8,754.39

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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.