Home / 20,243.21-30,363.39-7,096.50

Finding the Fourth Proportional to 20,243.21, 30,363.39 and 7,096.50

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Solution

The fourth proportional to 20,243.21, 30,363.39 and 7,096.50 is: 10,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.21 : 30,363.39 = 7,096.50 : x
  2. Step 2: Convert to fraction form
    20,243.21/30,363.39 = 7,096.50/x
  3. Step 3: Cross multiply
    20,243.21x = 30,363.39 × 7,096.50
  4. Step 4: Simplify right side
    20,243.21x = 215,473,797.14
  5. Step 5: Solve for x
    x = 215,473,797.14/20,243.21
  6. Step 6: Final answer
    x = 10,644.25

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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.