Home / 13,553.46-20,328.84-3,693.60

Finding the Fourth Proportional to 13,553.46, 20,328.84 and 3,693.60

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Solution

The fourth proportional to 13,553.46, 20,328.84 and 3,693.60 is: 5,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.46 : 20,328.84 = 3,693.60 : x
  2. Step 2: Convert to fraction form
    13,553.46/20,328.84 = 3,693.60/x
  3. Step 3: Cross multiply
    13,553.46x = 20,328.84 × 3,693.60
  4. Step 4: Simplify right side
    13,553.46x = 75,086,603.42
  5. Step 5: Solve for x
    x = 75,086,603.42/13,553.46
  6. Step 6: Final answer
    x = 5,540.03

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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.