Home / 19,187.75-28,783.25-5,336.75

Finding the Fourth Proportional to 19,187.75, 28,783.25 and 5,336.75

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Solution

The fourth proportional to 19,187.75, 28,783.25 and 5,336.75 is: 8,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.75 : 28,783.25 = 5,336.75 : x
  2. Step 2: Convert to fraction form
    19,187.75/28,783.25 = 5,336.75/x
  3. Step 3: Cross multiply
    19,187.75x = 28,783.25 × 5,336.75
  4. Step 4: Simplify right side
    19,187.75x = 153,608,982.75
  5. Step 5: Solve for x
    x = 153,608,982.75/19,187.75
  6. Step 6: Final answer
    x = 8,005.58

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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.