Home / 14,257.27-21,386.99-3,868.75

Finding the Fourth Proportional to 14,257.27, 21,386.99 and 3,868.75

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Solution

The fourth proportional to 14,257.27, 21,386.99 and 3,868.75 is: 5,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.27 : 21,386.99 = 3,868.75 : x
  2. Step 2: Convert to fraction form
    14,257.27/21,386.99 = 3,868.75/x
  3. Step 3: Cross multiply
    14,257.27x = 21,386.99 × 3,868.75
  4. Step 4: Simplify right side
    14,257.27x = 82,740,917.56
  5. Step 5: Solve for x
    x = 82,740,917.56/14,257.27
  6. Step 6: Final answer
    x = 5,803.42

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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.