Home / 18,018.33-27,029.01-6,171.68

Finding the Fourth Proportional to 18,018.33, 27,029.01 and 6,171.68

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Solution

The fourth proportional to 18,018.33, 27,029.01 and 6,171.68 is: 9,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.33 : 27,029.01 = 6,171.68 : x
  2. Step 2: Convert to fraction form
    18,018.33/27,029.01 = 6,171.68/x
  3. Step 3: Cross multiply
    18,018.33x = 27,029.01 × 6,171.68
  4. Step 4: Simplify right side
    18,018.33x = 166,814,265.29
  5. Step 5: Solve for x
    x = 166,814,265.29/18,018.33
  6. Step 6: Final answer
    x = 9,258.03

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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.