Home / 13,881.81-20,826.15-4,022.09

Finding the Fourth Proportional to 13,881.81, 20,826.15 and 4,022.09

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Solution

The fourth proportional to 13,881.81, 20,826.15 and 4,022.09 is: 6,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.81 : 20,826.15 = 4,022.09 : x
  2. Step 2: Convert to fraction form
    13,881.81/20,826.15 = 4,022.09/x
  3. Step 3: Cross multiply
    13,881.81x = 20,826.15 × 4,022.09
  4. Step 4: Simplify right side
    13,881.81x = 83,764,608.54
  5. Step 5: Solve for x
    x = 83,764,608.54/13,881.81
  6. Step 6: Final answer
    x = 6,034.13

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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.