Home / 20,450.02-30,675.41-6,409.73

Finding the Fourth Proportional to 20,450.02, 30,675.41 and 6,409.73

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Solution

The fourth proportional to 20,450.02, 30,675.41 and 6,409.73 is: 9,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.02 : 30,675.41 = 6,409.73 : x
  2. Step 2: Convert to fraction form
    20,450.02/30,675.41 = 6,409.73/x
  3. Step 3: Cross multiply
    20,450.02x = 30,675.41 × 6,409.73
  4. Step 4: Simplify right side
    20,450.02x = 196,621,221.93
  5. Step 5: Solve for x
    x = 196,621,221.93/20,450.02
  6. Step 6: Final answer
    x = 9,614.72

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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.