Home / 16,790.27-23,171.72-11,115.32

Finding the Fourth Proportional to 16,790.27, 23,171.72 and 11,115.32

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Solution

The fourth proportional to 16,790.27, 23,171.72 and 11,115.32 is: 15,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.27 : 23,171.72 = 11,115.32 : x
  2. Step 2: Convert to fraction form
    16,790.27/23,171.72 = 11,115.32/x
  3. Step 3: Cross multiply
    16,790.27x = 23,171.72 × 11,115.32
  4. Step 4: Simplify right side
    16,790.27x = 257,560,911.32
  5. Step 5: Solve for x
    x = 257,560,911.32/16,790.27
  6. Step 6: Final answer
    x = 15,339.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.