Home / 18,170.37-27,258.21-8,802.72

Finding the Fourth Proportional to 18,170.37, 27,258.21 and 8,802.72

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Solution

The fourth proportional to 18,170.37, 27,258.21 and 8,802.72 is: 13,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.37 : 27,258.21 = 8,802.72 : x
  2. Step 2: Convert to fraction form
    18,170.37/27,258.21 = 8,802.72/x
  3. Step 3: Cross multiply
    18,170.37x = 27,258.21 × 8,802.72
  4. Step 4: Simplify right side
    18,170.37x = 239,946,390.33
  5. Step 5: Solve for x
    x = 239,946,390.33/18,170.37
  6. Step 6: Final answer
    x = 13,205.37

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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.