Home / 13,971.87-20,962.49-5,647.41

Finding the Fourth Proportional to 13,971.87, 20,962.49 and 5,647.41

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Solution

The fourth proportional to 13,971.87, 20,962.49 and 5,647.41 is: 8,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.87 : 20,962.49 = 5,647.41 : x
  2. Step 2: Convert to fraction form
    13,971.87/20,962.49 = 5,647.41/x
  3. Step 3: Cross multiply
    13,971.87x = 20,962.49 × 5,647.41
  4. Step 4: Simplify right side
    13,971.87x = 118,383,747.41
  5. Step 5: Solve for x
    x = 118,383,747.41/13,971.87
  6. Step 6: Final answer
    x = 8,473.01

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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.