Home / 13,882.87-20,823.72-4,021.93

Finding the Fourth Proportional to 13,882.87, 20,823.72 and 4,021.93

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Solution

The fourth proportional to 13,882.87, 20,823.72 and 4,021.93 is: 6,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.87 : 20,823.72 = 4,021.93 : x
  2. Step 2: Convert to fraction form
    13,882.87/20,823.72 = 4,021.93/x
  3. Step 3: Cross multiply
    13,882.87x = 20,823.72 × 4,021.93
  4. Step 4: Simplify right side
    13,882.87x = 83,751,544.18
  5. Step 5: Solve for x
    x = 83,751,544.18/13,882.87
  6. Step 6: Final answer
    x = 6,032.73

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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.