Home / 12,202.06-18,282.19-6,659.29

Finding the Fourth Proportional to 12,202.06, 18,282.19 and 6,659.29

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Solution

The fourth proportional to 12,202.06, 18,282.19 and 6,659.29 is: 9,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.06 : 18,282.19 = 6,659.29 : x
  2. Step 2: Convert to fraction form
    12,202.06/18,282.19 = 6,659.29/x
  3. Step 3: Cross multiply
    12,202.06x = 18,282.19 × 6,659.29
  4. Step 4: Simplify right side
    12,202.06x = 121,746,467.40
  5. Step 5: Solve for x
    x = 121,746,467.40/12,202.06
  6. Step 6: Final answer
    x = 9,977.54

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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.