Home / 20,183.85-30,277.68-5,393.65

Finding the Fourth Proportional to 20,183.85, 30,277.68 and 5,393.65

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Solution

The fourth proportional to 20,183.85, 30,277.68 and 5,393.65 is: 8,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.85 : 30,277.68 = 5,393.65 : x
  2. Step 2: Convert to fraction form
    20,183.85/30,277.68 = 5,393.65/x
  3. Step 3: Cross multiply
    20,183.85x = 30,277.68 × 5,393.65
  4. Step 4: Simplify right side
    20,183.85x = 163,307,208.73
  5. Step 5: Solve for x
    x = 163,307,208.73/20,183.85
  6. Step 6: Final answer
    x = 8,090.98

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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.