Home / 9,997.26-13,796.22-5,521.02

Finding the Fourth Proportional to 9,997.26, 13,796.22 and 5,521.02

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Solution

The fourth proportional to 9,997.26, 13,796.22 and 5,521.02 is: 7,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.26 : 13,796.22 = 5,521.02 : x
  2. Step 2: Convert to fraction form
    9,997.26/13,796.22 = 5,521.02/x
  3. Step 3: Cross multiply
    9,997.26x = 13,796.22 × 5,521.02
  4. Step 4: Simplify right side
    9,997.26x = 76,169,206.54
  5. Step 5: Solve for x
    x = 76,169,206.54/9,997.26
  6. Step 6: Final answer
    x = 7,619.01

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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.