Home / 20,365.90-30,553.62-6,325.20

Finding the Fourth Proportional to 20,365.90, 30,553.62 and 6,325.20

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Solution

The fourth proportional to 20,365.90, 30,553.62 and 6,325.20 is: 9,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.90 : 30,553.62 = 6,325.20 : x
  2. Step 2: Convert to fraction form
    20,365.90/30,553.62 = 6,325.20/x
  3. Step 3: Cross multiply
    20,365.90x = 30,553.62 × 6,325.20
  4. Step 4: Simplify right side
    20,365.90x = 193,257,620.27
  5. Step 5: Solve for x
    x = 193,257,620.27/20,365.90
  6. Step 6: Final answer
    x = 9,489.28

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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.