Home / 9,812.44-13,540.62-5,620.96

Finding the Fourth Proportional to 9,812.44, 13,540.62 and 5,620.96

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Solution

The fourth proportional to 9,812.44, 13,540.62 and 5,620.96 is: 7,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.44 : 13,540.62 = 5,620.96 : x
  2. Step 2: Convert to fraction form
    9,812.44/13,540.62 = 5,620.96/x
  3. Step 3: Cross multiply
    9,812.44x = 13,540.62 × 5,620.96
  4. Step 4: Simplify right side
    9,812.44x = 76,111,283.40
  5. Step 5: Solve for x
    x = 76,111,283.40/9,812.44
  6. Step 6: Final answer
    x = 7,756.61

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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.