Home / 11,546.79-17,321.16-3,647.19

Finding the Fourth Proportional to 11,546.79, 17,321.16 and 3,647.19

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Solution

The fourth proportional to 11,546.79, 17,321.16 and 3,647.19 is: 5,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.79 : 17,321.16 = 3,647.19 : x
  2. Step 2: Convert to fraction form
    11,546.79/17,321.16 = 3,647.19/x
  3. Step 3: Cross multiply
    11,546.79x = 17,321.16 × 3,647.19
  4. Step 4: Simplify right side
    11,546.79x = 63,173,561.54
  5. Step 5: Solve for x
    x = 63,173,561.54/11,546.79
  6. Step 6: Final answer
    x = 5,471.09

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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.