Home / 13,658.54-20,489.97-4,893.26

Finding the Fourth Proportional to 13,658.54, 20,489.97 and 4,893.26

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Solution

The fourth proportional to 13,658.54, 20,489.97 and 4,893.26 is: 7,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.54 : 20,489.97 = 4,893.26 : x
  2. Step 2: Convert to fraction form
    13,658.54/20,489.97 = 4,893.26/x
  3. Step 3: Cross multiply
    13,658.54x = 20,489.97 × 4,893.26
  4. Step 4: Simplify right side
    13,658.54x = 100,262,750.60
  5. Step 5: Solve for x
    x = 100,262,750.60/13,658.54
  6. Step 6: Final answer
    x = 7,340.66

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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.