Home / 10,986.05-16,480.71-3,193.85

Finding the Fourth Proportional to 10,986.05, 16,480.71 and 3,193.85

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Solution

The fourth proportional to 10,986.05, 16,480.71 and 3,193.85 is: 4,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.05 : 16,480.71 = 3,193.85 : x
  2. Step 2: Convert to fraction form
    10,986.05/16,480.71 = 3,193.85/x
  3. Step 3: Cross multiply
    10,986.05x = 16,480.71 × 3,193.85
  4. Step 4: Simplify right side
    10,986.05x = 52,636,833.23
  5. Step 5: Solve for x
    x = 52,636,833.23/10,986.05
  6. Step 6: Final answer
    x = 4,791.25

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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.