Home / 21,025.46-31,538.20-6,234.60

Finding the Fourth Proportional to 21,025.46, 31,538.20 and 6,234.60

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Solution

The fourth proportional to 21,025.46, 31,538.20 and 6,234.60 is: 9,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.46 : 31,538.20 = 6,234.60 : x
  2. Step 2: Convert to fraction form
    21,025.46/31,538.20 = 6,234.60/x
  3. Step 3: Cross multiply
    21,025.46x = 31,538.20 × 6,234.60
  4. Step 4: Simplify right side
    21,025.46x = 196,628,061.72
  5. Step 5: Solve for x
    x = 196,628,061.72/21,025.46
  6. Step 6: Final answer
    x = 9,351.90

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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.