Home / 8,845.44-13,278.72-6,998.40

Finding the Fourth Proportional to 8,845.44, 13,278.72 and 6,998.40

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Solution

The fourth proportional to 8,845.44, 13,278.72 and 6,998.40 is: 10,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.44 : 13,278.72 = 6,998.40 : x
  2. Step 2: Convert to fraction form
    8,845.44/13,278.72 = 6,998.40/x
  3. Step 3: Cross multiply
    8,845.44x = 13,278.72 × 6,998.40
  4. Step 4: Simplify right side
    8,845.44x = 92,929,794.05
  5. Step 5: Solve for x
    x = 92,929,794.05/8,845.44
  6. Step 6: Final answer
    x = 10,505.95

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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.