Home / 20,441.30-30,662.55-8,746.92

Finding the Fourth Proportional to 20,441.30, 30,662.55 and 8,746.92

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Solution

The fourth proportional to 20,441.30, 30,662.55 and 8,746.92 is: 13,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.30 : 30,662.55 = 8,746.92 : x
  2. Step 2: Convert to fraction form
    20,441.30/30,662.55 = 8,746.92/x
  3. Step 3: Cross multiply
    20,441.30x = 30,662.55 × 8,746.92
  4. Step 4: Simplify right side
    20,441.30x = 268,202,871.85
  5. Step 5: Solve for x
    x = 268,202,871.85/20,441.30
  6. Step 6: Final answer
    x = 13,120.64

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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.