Home / 14,198.68-21,295.59-3,808

Finding the Fourth Proportional to 14,198.68, 21,295.59 and 3,808

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Solution

The fourth proportional to 14,198.68, 21,295.59 and 3,808 is: 5,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.68 : 21,295.59 = 3,808 : x
  2. Step 2: Convert to fraction form
    14,198.68/21,295.59 = 3,808/x
  3. Step 3: Cross multiply
    14,198.68x = 21,295.59 × 3,808
  4. Step 4: Simplify right side
    14,198.68x = 81,093,606.72
  5. Step 5: Solve for x
    x = 81,093,606.72/14,198.68
  6. Step 6: Final answer
    x = 5,711.35

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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.