Home / 13,560.21-20,348.82-5,768.42

Finding the Fourth Proportional to 13,560.21, 20,348.82 and 5,768.42

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Solution

The fourth proportional to 13,560.21, 20,348.82 and 5,768.42 is: 8,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.21 : 20,348.82 = 5,768.42 : x
  2. Step 2: Convert to fraction form
    13,560.21/20,348.82 = 5,768.42/x
  3. Step 3: Cross multiply
    13,560.21x = 20,348.82 × 5,768.42
  4. Step 4: Simplify right side
    13,560.21x = 117,380,438.52
  5. Step 5: Solve for x
    x = 117,380,438.52/13,560.21
  6. Step 6: Final answer
    x = 8,656.24

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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.