Home / 14,519.57-21,776.75-3,846

Finding the Fourth Proportional to 14,519.57, 21,776.75 and 3,846

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Solution

The fourth proportional to 14,519.57, 21,776.75 and 3,846 is: 5,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.57 : 21,776.75 = 3,846 : x
  2. Step 2: Convert to fraction form
    14,519.57/21,776.75 = 3,846/x
  3. Step 3: Cross multiply
    14,519.57x = 21,776.75 × 3,846
  4. Step 4: Simplify right side
    14,519.57x = 83,753,390.12
  5. Step 5: Solve for x
    x = 83,753,390.12/14,519.57
  6. Step 6: Final answer
    x = 5,768.31

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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.