Home / 13,942.60-20,914.02-3,554.34

Finding the Fourth Proportional to 13,942.60, 20,914.02 and 3,554.34

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Solution

The fourth proportional to 13,942.60, 20,914.02 and 3,554.34 is: 5,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.60 : 20,914.02 = 3,554.34 : x
  2. Step 2: Convert to fraction form
    13,942.60/20,914.02 = 3,554.34/x
  3. Step 3: Cross multiply
    13,942.60x = 20,914.02 × 3,554.34
  4. Step 4: Simplify right side
    13,942.60x = 74,335,537.85
  5. Step 5: Solve for x
    x = 74,335,537.85/13,942.60
  6. Step 6: Final answer
    x = 5,331.54

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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.