Home / 17,188.64-23,731.62-13,202.54

Finding the Fourth Proportional to 17,188.64, 23,731.62 and 13,202.54

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Solution

The fourth proportional to 17,188.64, 23,731.62 and 13,202.54 is: 18,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.64 : 23,731.62 = 13,202.54 : x
  2. Step 2: Convert to fraction form
    17,188.64/23,731.62 = 13,202.54/x
  3. Step 3: Cross multiply
    17,188.64x = 23,731.62 × 13,202.54
  4. Step 4: Simplify right side
    17,188.64x = 313,317,662.31
  5. Step 5: Solve for x
    x = 313,317,662.31/17,188.64
  6. Step 6: Final answer
    x = 18,228.18

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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.