Home / 11,391.84-17,090.26-3,495.44

Finding the Fourth Proportional to 11,391.84, 17,090.26 and 3,495.44

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Solution

The fourth proportional to 11,391.84, 17,090.26 and 3,495.44 is: 5,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.84 : 17,090.26 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    11,391.84/17,090.26 = 3,495.44/x
  3. Step 3: Cross multiply
    11,391.84x = 17,090.26 × 3,495.44
  4. Step 4: Simplify right side
    11,391.84x = 59,737,978.41
  5. Step 5: Solve for x
    x = 59,737,978.41/11,391.84
  6. Step 6: Final answer
    x = 5,243.93

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1.5x scale

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.