Home / 17,890.27-26,785.49-11,634.64

Finding the Fourth Proportional to 17,890.27, 26,785.49 and 11,634.64

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Solution

The fourth proportional to 17,890.27, 26,785.49 and 11,634.64 is: 17,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.27 : 26,785.49 = 11,634.64 : x
  2. Step 2: Convert to fraction form
    17,890.27/26,785.49 = 11,634.64/x
  3. Step 3: Cross multiply
    17,890.27x = 26,785.49 × 11,634.64
  4. Step 4: Simplify right side
    17,890.27x = 311,639,408.24
  5. Step 5: Solve for x
    x = 311,639,408.24/17,890.27
  6. Step 6: Final answer
    x = 17,419.49

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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.