Home / 9,821.44-13,553.04-5,629.96

Finding the Fourth Proportional to 9,821.44, 13,553.04 and 5,629.96

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Solution

The fourth proportional to 9,821.44, 13,553.04 and 5,629.96 is: 7,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.44 : 13,553.04 = 5,629.96 : x
  2. Step 2: Convert to fraction form
    9,821.44/13,553.04 = 5,629.96/x
  3. Step 3: Cross multiply
    9,821.44x = 13,553.04 × 5,629.96
  4. Step 4: Simplify right side
    9,821.44x = 76,303,073.08
  5. Step 5: Solve for x
    x = 76,303,073.08/9,821.44
  6. Step 6: Final answer
    x = 7,769.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.