Home / 10,911.80-16,367.70-10,796.60

Finding the Fourth Proportional to 10,911.80, 16,367.70 and 10,796.60

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Solution

The fourth proportional to 10,911.80, 16,367.70 and 10,796.60 is: 16,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.80 : 16,367.70 = 10,796.60 : x
  2. Step 2: Convert to fraction form
    10,911.80/16,367.70 = 10,796.60/x
  3. Step 3: Cross multiply
    10,911.80x = 16,367.70 × 10,796.60
  4. Step 4: Simplify right side
    10,911.80x = 176,715,509.82
  5. Step 5: Solve for x
    x = 176,715,509.82/10,911.80
  6. Step 6: Final answer
    x = 16,194.90

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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.