Home / 14,257.62-21,386.43-3,869.37

Finding the Fourth Proportional to 14,257.62, 21,386.43 and 3,869.37

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Solution

The fourth proportional to 14,257.62, 21,386.43 and 3,869.37 is: 5,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.62 : 21,386.43 = 3,869.37 : x
  2. Step 2: Convert to fraction form
    14,257.62/21,386.43 = 3,869.37/x
  3. Step 3: Cross multiply
    14,257.62x = 21,386.43 × 3,869.37
  4. Step 4: Simplify right side
    14,257.62x = 82,752,010.65
  5. Step 5: Solve for x
    x = 82,752,010.65/14,257.62
  6. Step 6: Final answer
    x = 5,804.06

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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.