Home / 13,953.37-20,930.23-4,092.85

Finding the Fourth Proportional to 13,953.37, 20,930.23 and 4,092.85

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Solution

The fourth proportional to 13,953.37, 20,930.23 and 4,092.85 is: 6,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.37 : 20,930.23 = 4,092.85 : x
  2. Step 2: Convert to fraction form
    13,953.37/20,930.23 = 4,092.85/x
  3. Step 3: Cross multiply
    13,953.37x = 20,930.23 × 4,092.85
  4. Step 4: Simplify right side
    13,953.37x = 85,664,344.18
  5. Step 5: Solve for x
    x = 85,664,344.18/13,953.37
  6. Step 6: Final answer
    x = 6,139.33

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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.