Home / 18,222.42-27,321.33-8,356.35

Finding the Fourth Proportional to 18,222.42, 27,321.33 and 8,356.35

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Solution

The fourth proportional to 18,222.42, 27,321.33 and 8,356.35 is: 12,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.42 : 27,321.33 = 8,356.35 : x
  2. Step 2: Convert to fraction form
    18,222.42/27,321.33 = 8,356.35/x
  3. Step 3: Cross multiply
    18,222.42x = 27,321.33 × 8,356.35
  4. Step 4: Simplify right side
    18,222.42x = 228,306,595.95
  5. Step 5: Solve for x
    x = 228,306,595.95/18,222.42
  6. Step 6: Final answer
    x = 12,528.88

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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.