Home / 18,258.60-27,352.36-11,999.73

Finding the Fourth Proportional to 18,258.60, 27,352.36 and 11,999.73

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Solution

The fourth proportional to 18,258.60, 27,352.36 and 11,999.73 is: 17,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.60 : 27,352.36 = 11,999.73 : x
  2. Step 2: Convert to fraction form
    18,258.60/27,352.36 = 11,999.73/x
  3. Step 3: Cross multiply
    18,258.60x = 27,352.36 × 11,999.73
  4. Step 4: Simplify right side
    18,258.60x = 328,220,934.86
  5. Step 5: Solve for x
    x = 328,220,934.86/18,258.60
  6. Step 6: Final answer
    x = 17,976.24

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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.