Home / 9,940.80-14,905.53-4,090.44

Finding the Fourth Proportional to 9,940.80, 14,905.53 and 4,090.44

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Solution

The fourth proportional to 9,940.80, 14,905.53 and 4,090.44 is: 6,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.80 : 14,905.53 = 4,090.44 : x
  2. Step 2: Convert to fraction form
    9,940.80/14,905.53 = 4,090.44/x
  3. Step 3: Cross multiply
    9,940.80x = 14,905.53 × 4,090.44
  4. Step 4: Simplify right side
    9,940.80x = 60,970,176.13
  5. Step 5: Solve for x
    x = 60,970,176.13/9,940.80
  6. Step 6: Final answer
    x = 6,133.33

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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.