Home / 16,766.68-23,139.26-11,091.62

Finding the Fourth Proportional to 16,766.68, 23,139.26 and 11,091.62

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Solution

The fourth proportional to 16,766.68, 23,139.26 and 11,091.62 is: 15,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.68 : 23,139.26 = 11,091.62 : x
  2. Step 2: Convert to fraction form
    16,766.68/23,139.26 = 11,091.62/x
  3. Step 3: Cross multiply
    16,766.68x = 23,139.26 × 11,091.62
  4. Step 4: Simplify right side
    16,766.68x = 256,651,879.00
  5. Step 5: Solve for x
    x = 256,651,879.00/16,766.68
  6. Step 6: Final answer
    x = 15,307.26

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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.