Home / 9,157.82-13,736.73-3,313.06

Finding the Fourth Proportional to 9,157.82, 13,736.73 and 3,313.06

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Solution

The fourth proportional to 9,157.82, 13,736.73 and 3,313.06 is: 4,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.82 : 13,736.73 = 3,313.06 : x
  2. Step 2: Convert to fraction form
    9,157.82/13,736.73 = 3,313.06/x
  3. Step 3: Cross multiply
    9,157.82x = 13,736.73 × 3,313.06
  4. Step 4: Simplify right side
    9,157.82x = 45,510,610.69
  5. Step 5: Solve for x
    x = 45,510,610.69/9,157.82
  6. Step 6: Final answer
    x = 4,969.59

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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.