Home / 20,884.07-31,327.47-6,091.75

Finding the Fourth Proportional to 20,884.07, 31,327.47 and 6,091.75

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Solution

The fourth proportional to 20,884.07, 31,327.47 and 6,091.75 is: 9,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.07 : 31,327.47 = 6,091.75 : x
  2. Step 2: Convert to fraction form
    20,884.07/31,327.47 = 6,091.75/x
  3. Step 3: Cross multiply
    20,884.07x = 31,327.47 × 6,091.75
  4. Step 4: Simplify right side
    20,884.07x = 190,839,115.37
  5. Step 5: Solve for x
    x = 190,839,115.37/20,884.07
  6. Step 6: Final answer
    x = 9,138.02

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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.