Home / 12,704.99-19,054.41-5,305.43

Finding the Fourth Proportional to 12,704.99, 19,054.41 and 5,305.43

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Solution

The fourth proportional to 12,704.99, 19,054.41 and 5,305.43 is: 7,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.99 : 19,054.41 = 5,305.43 : x
  2. Step 2: Convert to fraction form
    12,704.99/19,054.41 = 5,305.43/x
  3. Step 3: Cross multiply
    12,704.99x = 19,054.41 × 5,305.43
  4. Step 4: Simplify right side
    12,704.99x = 101,091,838.45
  5. Step 5: Solve for x
    x = 101,091,838.45/12,704.99
  6. Step 6: Final answer
    x = 7,956.86

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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.