Home / 18,214.56-27,261.66-12,867.33

Finding the Fourth Proportional to 18,214.56, 27,261.66 and 12,867.33

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Solution

The fourth proportional to 18,214.56, 27,261.66 and 12,867.33 is: 19,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.56 : 27,261.66 = 12,867.33 : x
  2. Step 2: Convert to fraction form
    18,214.56/27,261.66 = 12,867.33/x
  3. Step 3: Cross multiply
    18,214.56x = 27,261.66 × 12,867.33
  4. Step 4: Simplify right side
    18,214.56x = 350,784,775.57
  5. Step 5: Solve for x
    x = 350,784,775.57/18,214.56
  6. Step 6: Final answer
    x = 19,258.48

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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.