Home / 11,119.80-16,647.30-10,795.80

Finding the Fourth Proportional to 11,119.80, 16,647.30 and 10,795.80

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Solution

The fourth proportional to 11,119.80, 16,647.30 and 10,795.80 is: 16,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.80 : 16,647.30 = 10,795.80 : x
  2. Step 2: Convert to fraction form
    11,119.80/16,647.30 = 10,795.80/x
  3. Step 3: Cross multiply
    11,119.80x = 16,647.30 × 10,795.80
  4. Step 4: Simplify right side
    11,119.80x = 179,720,921.34
  5. Step 5: Solve for x
    x = 179,720,921.34/11,119.80
  6. Step 6: Final answer
    x = 16,162.24

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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.