Home / 12,170.82-18,258.48-3,852.93

Finding the Fourth Proportional to 12,170.82, 18,258.48 and 3,852.93

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Solution

The fourth proportional to 12,170.82, 18,258.48 and 3,852.93 is: 5,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.82 : 18,258.48 = 3,852.93 : x
  2. Step 2: Convert to fraction form
    12,170.82/18,258.48 = 3,852.93/x
  3. Step 3: Cross multiply
    12,170.82x = 18,258.48 × 3,852.93
  4. Step 4: Simplify right side
    12,170.82x = 70,348,645.35
  5. Step 5: Solve for x
    x = 70,348,645.35/12,170.82
  6. Step 6: Final answer
    x = 5,780.11

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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.