Home / 17,738.62-26,612.10-5,258.75

Finding the Fourth Proportional to 17,738.62, 26,612.10 and 5,258.75

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Solution

The fourth proportional to 17,738.62, 26,612.10 and 5,258.75 is: 7,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.62 : 26,612.10 = 5,258.75 : x
  2. Step 2: Convert to fraction form
    17,738.62/26,612.10 = 5,258.75/x
  3. Step 3: Cross multiply
    17,738.62x = 26,612.10 × 5,258.75
  4. Step 4: Simplify right side
    17,738.62x = 139,946,380.88
  5. Step 5: Solve for x
    x = 139,946,380.88/17,738.62
  6. Step 6: Final answer
    x = 7,889.36

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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.