Home / 13,658.88-20,493.40-5,763.44

Finding the Fourth Proportional to 13,658.88, 20,493.40 and 5,763.44

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Solution

The fourth proportional to 13,658.88, 20,493.40 and 5,763.44 is: 8,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.88 : 20,493.40 = 5,763.44 : x
  2. Step 2: Convert to fraction form
    13,658.88/20,493.40 = 5,763.44/x
  3. Step 3: Cross multiply
    13,658.88x = 20,493.40 × 5,763.44
  4. Step 4: Simplify right side
    13,658.88x = 118,112,481.30
  5. Step 5: Solve for x
    x = 118,112,481.30/13,658.88
  6. Step 6: Final answer
    x = 8,647.30

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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.