Home / 8,820.98-13,231.46-6,874.64

Finding the Fourth Proportional to 8,820.98, 13,231.46 and 6,874.64

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Solution

The fourth proportional to 8,820.98, 13,231.46 and 6,874.64 is: 10,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.98 : 13,231.46 = 6,874.64 : x
  2. Step 2: Convert to fraction form
    8,820.98/13,231.46 = 6,874.64/x
  3. Step 3: Cross multiply
    8,820.98x = 13,231.46 × 6,874.64
  4. Step 4: Simplify right side
    8,820.98x = 90,961,524.17
  5. Step 5: Solve for x
    x = 90,961,524.17/8,820.98
  6. Step 6: Final answer
    x = 10,311.95

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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.