Home / 8,942.21-13,422.66-6,604.86

Finding the Fourth Proportional to 8,942.21, 13,422.66 and 6,604.86

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Solution

The fourth proportional to 8,942.21, 13,422.66 and 6,604.86 is: 9,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.21 : 13,422.66 = 6,604.86 : x
  2. Step 2: Convert to fraction form
    8,942.21/13,422.66 = 6,604.86/x
  3. Step 3: Cross multiply
    8,942.21x = 13,422.66 × 6,604.86
  4. Step 4: Simplify right side
    8,942.21x = 88,654,777.34
  5. Step 5: Solve for x
    x = 88,654,777.34/8,942.21
  6. Step 6: Final answer
    x = 9,914.19

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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.