Home / 9,379.80-14,067.68-4,114.80

Finding the Fourth Proportional to 9,379.80, 14,067.68 and 4,114.80

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Solution

The fourth proportional to 9,379.80, 14,067.68 and 4,114.80 is: 6,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.80 : 14,067.68 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    9,379.80/14,067.68 = 4,114.80/x
  3. Step 3: Cross multiply
    9,379.80x = 14,067.68 × 4,114.80
  4. Step 4: Simplify right side
    9,379.80x = 57,885,669.09
  5. Step 5: Solve for x
    x = 57,885,669.09/9,379.80
  6. Step 6: Final answer
    x = 6,171.31

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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.