Home / 18,258.72-27,388.26-5,778.51

Finding the Fourth Proportional to 18,258.72, 27,388.26 and 5,778.51

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Solution

The fourth proportional to 18,258.72, 27,388.26 and 5,778.51 is: 8,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.72 : 27,388.26 = 5,778.51 : x
  2. Step 2: Convert to fraction form
    18,258.72/27,388.26 = 5,778.51/x
  3. Step 3: Cross multiply
    18,258.72x = 27,388.26 × 5,778.51
  4. Step 4: Simplify right side
    18,258.72x = 158,263,334.29
  5. Step 5: Solve for x
    x = 158,263,334.29/18,258.72
  6. Step 6: Final answer
    x = 8,667.82

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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.