Home / 18,258.06-27,388.61-5,110.41

Finding the Fourth Proportional to 18,258.06, 27,388.61 and 5,110.41

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Solution

The fourth proportional to 18,258.06, 27,388.61 and 5,110.41 is: 7,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.06 : 27,388.61 = 5,110.41 : x
  2. Step 2: Convert to fraction form
    18,258.06/27,388.61 = 5,110.41/x
  3. Step 3: Cross multiply
    18,258.06x = 27,388.61 × 5,110.41
  4. Step 4: Simplify right side
    18,258.06x = 139,967,000.88
  5. Step 5: Solve for x
    x = 139,967,000.88/18,258.06
  6. Step 6: Final answer
    x = 7,666.04

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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.