Home / 13,744.69-20,617.03-4,979.60

Finding the Fourth Proportional to 13,744.69, 20,617.03 and 4,979.60

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Solution

The fourth proportional to 13,744.69, 20,617.03 and 4,979.60 is: 7,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.69 : 20,617.03 = 4,979.60 : x
  2. Step 2: Convert to fraction form
    13,744.69/20,617.03 = 4,979.60/x
  3. Step 3: Cross multiply
    13,744.69x = 20,617.03 × 4,979.60
  4. Step 4: Simplify right side
    13,744.69x = 102,664,601.03
  5. Step 5: Solve for x
    x = 102,664,601.03/13,744.69
  6. Step 6: Final answer
    x = 7,469.40

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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.