Home / 14,308.03-19,745.13-8,020

Finding the Fourth Proportional to 14,308.03, 19,745.13 and 8,020

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Solution

The fourth proportional to 14,308.03, 19,745.13 and 8,020 is: 11,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.03 : 19,745.13 = 8,020 : x
  2. Step 2: Convert to fraction form
    14,308.03/19,745.13 = 8,020/x
  3. Step 3: Cross multiply
    14,308.03x = 19,745.13 × 8,020
  4. Step 4: Simplify right side
    14,308.03x = 158,355,942.60
  5. Step 5: Solve for x
    x = 158,355,942.60/14,308.03
  6. Step 6: Final answer
    x = 11,067.63

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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.