Home / 18,416.60-27,638.94-13,498.82

Finding the Fourth Proportional to 18,416.60, 27,638.94 and 13,498.82

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Solution

The fourth proportional to 18,416.60, 27,638.94 and 13,498.82 is: 20,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.60 : 27,638.94 = 13,498.82 : x
  2. Step 2: Convert to fraction form
    18,416.60/27,638.94 = 13,498.82/x
  3. Step 3: Cross multiply
    18,416.60x = 27,638.94 × 13,498.82
  4. Step 4: Simplify right side
    18,416.60x = 373,093,076.05
  5. Step 5: Solve for x
    x = 373,093,076.05/18,416.60
  6. Step 6: Final answer
    x = 20,258.52

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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.