Home / 15,054.69-20,783.66-9,087.75

Finding the Fourth Proportional to 15,054.69, 20,783.66 and 9,087.75

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Solution

The fourth proportional to 15,054.69, 20,783.66 and 9,087.75 is: 12,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.69 : 20,783.66 = 9,087.75 : x
  2. Step 2: Convert to fraction form
    15,054.69/20,783.66 = 9,087.75/x
  3. Step 3: Cross multiply
    15,054.69x = 20,783.66 × 9,087.75
  4. Step 4: Simplify right side
    15,054.69x = 188,876,660.73
  5. Step 5: Solve for x
    x = 188,876,660.73/15,054.69
  6. Step 6: Final answer
    x = 12,546.03

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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.