Home / 13,926.20-20,890.34-4,065.56

Finding the Fourth Proportional to 13,926.20, 20,890.34 and 4,065.56

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Solution

The fourth proportional to 13,926.20, 20,890.34 and 4,065.56 is: 6,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.20 : 20,890.34 = 4,065.56 : x
  2. Step 2: Convert to fraction form
    13,926.20/20,890.34 = 4,065.56/x
  3. Step 3: Cross multiply
    13,926.20x = 20,890.34 × 4,065.56
  4. Step 4: Simplify right side
    13,926.20x = 84,930,930.69
  5. Step 5: Solve for x
    x = 84,930,930.69/13,926.20
  6. Step 6: Final answer
    x = 6,098.64

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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.