Home / 9,939.80-14,904.03-4,089.44

Finding the Fourth Proportional to 9,939.80, 14,904.03 and 4,089.44

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Solution

The fourth proportional to 9,939.80, 14,904.03 and 4,089.44 is: 6,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.80 : 14,904.03 = 4,089.44 : x
  2. Step 2: Convert to fraction form
    9,939.80/14,904.03 = 4,089.44/x
  3. Step 3: Cross multiply
    9,939.80x = 14,904.03 × 4,089.44
  4. Step 4: Simplify right side
    9,939.80x = 60,949,136.44
  5. Step 5: Solve for x
    x = 60,949,136.44/9,939.80
  6. Step 6: Final answer
    x = 6,131.83

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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.