Home / 11,448.96-17,179.20-4,529.28

Finding the Fourth Proportional to 11,448.96, 17,179.20 and 4,529.28

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Solution

The fourth proportional to 11,448.96, 17,179.20 and 4,529.28 is: 6,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.96 : 17,179.20 = 4,529.28 : x
  2. Step 2: Convert to fraction form
    11,448.96/17,179.20 = 4,529.28/x
  3. Step 3: Cross multiply
    11,448.96x = 17,179.20 × 4,529.28
  4. Step 4: Simplify right side
    11,448.96x = 77,809,406.98
  5. Step 5: Solve for x
    x = 77,809,406.98/11,448.96
  6. Step 6: Final answer
    x = 6,796.20

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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.