Home / 13,625.42-20,429.62-4,262.73

Finding the Fourth Proportional to 13,625.42, 20,429.62 and 4,262.73

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Solution

The fourth proportional to 13,625.42, 20,429.62 and 4,262.73 is: 6,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.42 : 20,429.62 = 4,262.73 : x
  2. Step 2: Convert to fraction form
    13,625.42/20,429.62 = 4,262.73/x
  3. Step 3: Cross multiply
    13,625.42x = 20,429.62 × 4,262.73
  4. Step 4: Simplify right side
    13,625.42x = 87,085,866.79
  5. Step 5: Solve for x
    x = 87,085,866.79/13,625.42
  6. Step 6: Final answer
    x = 6,391.43

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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.