Home / 13,282.39-19,926.21-3,922.57

Finding the Fourth Proportional to 13,282.39, 19,926.21 and 3,922.57

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Solution

The fourth proportional to 13,282.39, 19,926.21 and 3,922.57 is: 5,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.39 : 19,926.21 = 3,922.57 : x
  2. Step 2: Convert to fraction form
    13,282.39/19,926.21 = 3,922.57/x
  3. Step 3: Cross multiply
    13,282.39x = 19,926.21 × 3,922.57
  4. Step 4: Simplify right side
    13,282.39x = 78,161,953.56
  5. Step 5: Solve for x
    x = 78,161,953.56/13,282.39
  6. Step 6: Final answer
    x = 5,884.63

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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.