Home / 20,441.22-30,660.96-6,400.94

Finding the Fourth Proportional to 20,441.22, 30,660.96 and 6,400.94

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Solution

The fourth proportional to 20,441.22, 30,660.96 and 6,400.94 is: 9,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.22 : 30,660.96 = 6,400.94 : x
  2. Step 2: Convert to fraction form
    20,441.22/30,660.96 = 6,400.94/x
  3. Step 3: Cross multiply
    20,441.22x = 30,660.96 × 6,400.94
  4. Step 4: Simplify right side
    20,441.22x = 196,258,886.23
  5. Step 5: Solve for x
    x = 196,258,886.23/20,441.22
  6. Step 6: Final answer
    x = 9,601.13

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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.