Home / 10,777.21-16,166.07-2,986.09

Finding the Fourth Proportional to 10,777.21, 16,166.07 and 2,986.09

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Solution

The fourth proportional to 10,777.21, 16,166.07 and 2,986.09 is: 4,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.21 : 16,166.07 = 2,986.09 : x
  2. Step 2: Convert to fraction form
    10,777.21/16,166.07 = 2,986.09/x
  3. Step 3: Cross multiply
    10,777.21x = 16,166.07 × 2,986.09
  4. Step 4: Simplify right side
    10,777.21x = 48,273,339.97
  5. Step 5: Solve for x
    x = 48,273,339.97/10,777.21
  6. Step 6: Final answer
    x = 4,479.21

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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.