Home / 13,917.58-19,206.20-7,629.96

Finding the Fourth Proportional to 13,917.58, 19,206.20 and 7,629.96

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Solution

The fourth proportional to 13,917.58, 19,206.20 and 7,629.96 is: 10,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.58 : 19,206.20 = 7,629.96 : x
  2. Step 2: Convert to fraction form
    13,917.58/19,206.20 = 7,629.96/x
  3. Step 3: Cross multiply
    13,917.58x = 19,206.20 × 7,629.96
  4. Step 4: Simplify right side
    13,917.58x = 146,542,537.75
  5. Step 5: Solve for x
    x = 146,542,537.75/13,917.58
  6. Step 6: Final answer
    x = 10,529.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.