Home / 17,319.96-25,979.97-4,172.34

Finding the Fourth Proportional to 17,319.96, 25,979.97 and 4,172.34

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Solution

The fourth proportional to 17,319.96, 25,979.97 and 4,172.34 is: 6,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.96 : 25,979.97 = 4,172.34 : x
  2. Step 2: Convert to fraction form
    17,319.96/25,979.97 = 4,172.34/x
  3. Step 3: Cross multiply
    17,319.96x = 25,979.97 × 4,172.34
  4. Step 4: Simplify right side
    17,319.96x = 108,397,381.10
  5. Step 5: Solve for x
    x = 108,397,381.10/17,319.96
  6. Step 6: Final answer
    x = 6,258.52

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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.