Home / 10,687.21-16,033.77-4,450.15

Finding the Fourth Proportional to 10,687.21, 16,033.77 and 4,450.15

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Solution

The fourth proportional to 10,687.21, 16,033.77 and 4,450.15 is: 6,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.21 : 16,033.77 = 4,450.15 : x
  2. Step 2: Convert to fraction form
    10,687.21/16,033.77 = 4,450.15/x
  3. Step 3: Cross multiply
    10,687.21x = 16,033.77 × 4,450.15
  4. Step 4: Simplify right side
    10,687.21x = 71,352,659.31
  5. Step 5: Solve for x
    x = 71,352,659.31/10,687.21
  6. Step 6: Final answer
    x = 6,676.46

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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.