Home / 20,308.64-30,463.56-5,517.48

Finding the Fourth Proportional to 20,308.64, 30,463.56 and 5,517.48

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Solution

The fourth proportional to 20,308.64, 30,463.56 and 5,517.48 is: 8,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.64 : 30,463.56 = 5,517.48 : x
  2. Step 2: Convert to fraction form
    20,308.64/30,463.56 = 5,517.48/x
  3. Step 3: Cross multiply
    20,308.64x = 30,463.56 × 5,517.48
  4. Step 4: Simplify right side
    20,308.64x = 168,082,083.03
  5. Step 5: Solve for x
    x = 168,082,083.03/20,308.64
  6. Step 6: Final answer
    x = 8,276.38

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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.