Home / 11,040.44-16,564.73-5,120.19

Finding the Fourth Proportional to 11,040.44, 16,564.73 and 5,120.19

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Solution

The fourth proportional to 11,040.44, 16,564.73 and 5,120.19 is: 7,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.44 : 16,564.73 = 5,120.19 : x
  2. Step 2: Convert to fraction form
    11,040.44/16,564.73 = 5,120.19/x
  3. Step 3: Cross multiply
    11,040.44x = 16,564.73 × 5,120.19
  4. Step 4: Simplify right side
    11,040.44x = 84,814,539.30
  5. Step 5: Solve for x
    x = 84,814,539.30/11,040.44
  6. Step 6: Final answer
    x = 7,682.17

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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.