Home / 12,170.79-18,258.03-3,848.04

Finding the Fourth Proportional to 12,170.79, 18,258.03 and 3,848.04

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Solution

The fourth proportional to 12,170.79, 18,258.03 and 3,848.04 is: 5,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.79 : 18,258.03 = 3,848.04 : x
  2. Step 2: Convert to fraction form
    12,170.79/18,258.03 = 3,848.04/x
  3. Step 3: Cross multiply
    12,170.79x = 18,258.03 × 3,848.04
  4. Step 4: Simplify right side
    12,170.79x = 70,257,629.76
  5. Step 5: Solve for x
    x = 70,257,629.76/12,170.79
  6. Step 6: Final answer
    x = 5,772.64

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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.