Home / 20,229.26-30,330.81-9,699.03

Finding the Fourth Proportional to 20,229.26, 30,330.81 and 9,699.03

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Solution

The fourth proportional to 20,229.26, 30,330.81 and 9,699.03 is: 14,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.26 : 30,330.81 = 9,699.03 : x
  2. Step 2: Convert to fraction form
    20,229.26/30,330.81 = 9,699.03/x
  3. Step 3: Cross multiply
    20,229.26x = 30,330.81 × 9,699.03
  4. Step 4: Simplify right side
    20,229.26x = 294,179,436.11
  5. Step 5: Solve for x
    x = 294,179,436.11/20,229.26
  6. Step 6: Final answer
    x = 14,542.28

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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.