Home / 18,218.44-27,330.77-8,358.56

Finding the Fourth Proportional to 18,218.44, 27,330.77 and 8,358.56

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Solution

The fourth proportional to 18,218.44, 27,330.77 and 8,358.56 is: 12,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.44 : 27,330.77 = 8,358.56 : x
  2. Step 2: Convert to fraction form
    18,218.44/27,330.77 = 8,358.56/x
  3. Step 3: Cross multiply
    18,218.44x = 27,330.77 × 8,358.56
  4. Step 4: Simplify right side
    18,218.44x = 228,445,880.89
  5. Step 5: Solve for x
    x = 228,445,880.89/18,218.44
  6. Step 6: Final answer
    x = 12,539.27

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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.