Home / 18,180.24-27,258.61-8,688.66

Finding the Fourth Proportional to 18,180.24, 27,258.61 and 8,688.66

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Solution

The fourth proportional to 18,180.24, 27,258.61 and 8,688.66 is: 13,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.24 : 27,258.61 = 8,688.66 : x
  2. Step 2: Convert to fraction form
    18,180.24/27,258.61 = 8,688.66/x
  3. Step 3: Cross multiply
    18,180.24x = 27,258.61 × 8,688.66
  4. Step 4: Simplify right side
    18,180.24x = 236,840,794.36
  5. Step 5: Solve for x
    x = 236,840,794.36/18,180.24
  6. Step 6: Final answer
    x = 13,027.37

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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.