Home / 13,806.14-19,052.39-7,518.46

Finding the Fourth Proportional to 13,806.14, 19,052.39 and 7,518.46

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Solution

The fourth proportional to 13,806.14, 19,052.39 and 7,518.46 is: 10,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.14 : 19,052.39 = 7,518.46 : x
  2. Step 2: Convert to fraction form
    13,806.14/19,052.39 = 7,518.46/x
  3. Step 3: Cross multiply
    13,806.14x = 19,052.39 × 7,518.46
  4. Step 4: Simplify right side
    13,806.14x = 143,244,632.12
  5. Step 5: Solve for x
    x = 143,244,632.12/13,806.14
  6. Step 6: Final answer
    x = 10,375.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.