Home / 17,086.40-25,630.83-5,238.64

Finding the Fourth Proportional to 17,086.40, 25,630.83 and 5,238.64

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Solution

The fourth proportional to 17,086.40, 25,630.83 and 5,238.64 is: 7,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.40 : 25,630.83 = 5,238.64 : x
  2. Step 2: Convert to fraction form
    17,086.40/25,630.83 = 5,238.64/x
  3. Step 3: Cross multiply
    17,086.40x = 25,630.83 × 5,238.64
  4. Step 4: Simplify right side
    17,086.40x = 134,270,627.19
  5. Step 5: Solve for x
    x = 134,270,627.19/17,086.40
  6. Step 6: Final answer
    x = 7,858.33

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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.