Home / 20,450.28-30,680.94-7,304.04

Finding the Fourth Proportional to 20,450.28, 30,680.94 and 7,304.04

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Solution

The fourth proportional to 20,450.28, 30,680.94 and 7,304.04 is: 10,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.28 : 30,680.94 = 7,304.04 : x
  2. Step 2: Convert to fraction form
    20,450.28/30,680.94 = 7,304.04/x
  3. Step 3: Cross multiply
    20,450.28x = 30,680.94 × 7,304.04
  4. Step 4: Simplify right side
    20,450.28x = 224,094,813.00
  5. Step 5: Solve for x
    x = 224,094,813.00/20,450.28
  6. Step 6: Final answer
    x = 10,958.03

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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.