Home / 14,469.75-21,706.61-5,107.59

Finding the Fourth Proportional to 14,469.75, 21,706.61 and 5,107.59

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Solution

The fourth proportional to 14,469.75, 21,706.61 and 5,107.59 is: 7,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.75 : 21,706.61 = 5,107.59 : x
  2. Step 2: Convert to fraction form
    14,469.75/21,706.61 = 5,107.59/x
  3. Step 3: Cross multiply
    14,469.75x = 21,706.61 × 5,107.59
  4. Step 4: Simplify right side
    14,469.75x = 110,868,438.63
  5. Step 5: Solve for x
    x = 110,868,438.63/14,469.75
  6. Step 6: Final answer
    x = 7,662.08

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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.