Home / 11,137.10-16,687.42-6,741.23

Finding the Fourth Proportional to 11,137.10, 16,687.42 and 6,741.23

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Solution

The fourth proportional to 11,137.10, 16,687.42 and 6,741.23 is: 10,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.10 : 16,687.42 = 6,741.23 : x
  2. Step 2: Convert to fraction form
    11,137.10/16,687.42 = 6,741.23/x
  3. Step 3: Cross multiply
    11,137.10x = 16,687.42 × 6,741.23
  4. Step 4: Simplify right side
    11,137.10x = 112,493,636.04
  5. Step 5: Solve for x
    x = 112,493,636.04/11,137.10
  6. Step 6: Final answer
    x = 10,100.81

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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.