Home / 13,170.27-19,758.52-3,810.51

Finding the Fourth Proportional to 13,170.27, 19,758.52 and 3,810.51

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Solution

The fourth proportional to 13,170.27, 19,758.52 and 3,810.51 is: 5,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.27 : 19,758.52 = 3,810.51 : x
  2. Step 2: Convert to fraction form
    13,170.27/19,758.52 = 3,810.51/x
  3. Step 3: Cross multiply
    13,170.27x = 19,758.52 × 3,810.51
  4. Step 4: Simplify right side
    13,170.27x = 75,289,954.09
  5. Step 5: Solve for x
    x = 75,289,954.09/13,170.27
  6. Step 6: Final answer
    x = 5,716.66

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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.