Home / 8,219.88-12,356.55-6,594.21

Finding the Fourth Proportional to 8,219.88, 12,356.55 and 6,594.21

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Solution

The fourth proportional to 8,219.88, 12,356.55 and 6,594.21 is: 9,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.88 : 12,356.55 = 6,594.21 : x
  2. Step 2: Convert to fraction form
    8,219.88/12,356.55 = 6,594.21/x
  3. Step 3: Cross multiply
    8,219.88x = 12,356.55 × 6,594.21
  4. Step 4: Simplify right side
    8,219.88x = 81,481,685.58
  5. Step 5: Solve for x
    x = 81,481,685.58/8,219.88
  6. Step 6: Final answer
    x = 9,912.76

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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.