Home / 11,079.75-16,619.64-10,800.90

Finding the Fourth Proportional to 11,079.75, 16,619.64 and 10,800.90

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Solution

The fourth proportional to 11,079.75, 16,619.64 and 10,800.90 is: 16,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.75 : 16,619.64 = 10,800.90 : x
  2. Step 2: Convert to fraction form
    11,079.75/16,619.64 = 10,800.90/x
  3. Step 3: Cross multiply
    11,079.75x = 16,619.64 × 10,800.90
  4. Step 4: Simplify right side
    11,079.75x = 179,507,069.68
  5. Step 5: Solve for x
    x = 179,507,069.68/11,079.75
  6. Step 6: Final answer
    x = 16,201.36

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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.