Home / 13,107.80-19,664.76-3,747.93

Finding the Fourth Proportional to 13,107.80, 19,664.76 and 3,747.93

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Solution

The fourth proportional to 13,107.80, 19,664.76 and 3,747.93 is: 5,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.80 : 19,664.76 = 3,747.93 : x
  2. Step 2: Convert to fraction form
    13,107.80/19,664.76 = 3,747.93/x
  3. Step 3: Cross multiply
    13,107.80x = 19,664.76 × 3,747.93
  4. Step 4: Simplify right side
    13,107.80x = 73,702,143.95
  5. Step 5: Solve for x
    x = 73,702,143.95/13,107.80
  6. Step 6: Final answer
    x = 5,622.77

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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.