Home / 19,190.26-28,785.39-10,976.50

Finding the Fourth Proportional to 19,190.26, 28,785.39 and 10,976.50

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Solution

The fourth proportional to 19,190.26, 28,785.39 and 10,976.50 is: 16,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.26 : 28,785.39 = 10,976.50 : x
  2. Step 2: Convert to fraction form
    19,190.26/28,785.39 = 10,976.50/x
  3. Step 3: Cross multiply
    19,190.26x = 28,785.39 × 10,976.50
  4. Step 4: Simplify right side
    19,190.26x = 315,962,833.34
  5. Step 5: Solve for x
    x = 315,962,833.34/19,190.26
  6. Step 6: Final answer
    x = 16,464.75

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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.