Home / 20,450.92-30,676.38-8,763.16

Finding the Fourth Proportional to 20,450.92, 30,676.38 and 8,763.16

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Solution

The fourth proportional to 20,450.92, 30,676.38 and 8,763.16 is: 13,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.92 : 30,676.38 = 8,763.16 : x
  2. Step 2: Convert to fraction form
    20,450.92/30,676.38 = 8,763.16/x
  3. Step 3: Cross multiply
    20,450.92x = 30,676.38 × 8,763.16
  4. Step 4: Simplify right side
    20,450.92x = 268,822,026.16
  5. Step 5: Solve for x
    x = 268,822,026.16/20,450.92
  6. Step 6: Final answer
    x = 13,144.74

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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.