Home / 13,219-19,836.18-5,923

Finding the Fourth Proportional to 13,219, 19,836.18 and 5,923

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Solution

The fourth proportional to 13,219, 19,836.18 and 5,923 is: 8,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219 : 19,836.18 = 5,923 : x
  2. Step 2: Convert to fraction form
    13,219/19,836.18 = 5,923/x
  3. Step 3: Cross multiply
    13,219x = 19,836.18 × 5,923
  4. Step 4: Simplify right side
    13,219x = 117,489,694.14
  5. Step 5: Solve for x
    x = 117,489,694.14/13,219
  6. Step 6: Final answer
    x = 8,887.94

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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.