Home / 8,577.20-12,846.36-6,716.72

Finding the Fourth Proportional to 8,577.20, 12,846.36 and 6,716.72

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Solution

The fourth proportional to 8,577.20, 12,846.36 and 6,716.72 is: 10,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.20 : 12,846.36 = 6,716.72 : x
  2. Step 2: Convert to fraction form
    8,577.20/12,846.36 = 6,716.72/x
  3. Step 3: Cross multiply
    8,577.20x = 12,846.36 × 6,716.72
  4. Step 4: Simplify right side
    8,577.20x = 86,285,403.14
  5. Step 5: Solve for x
    x = 86,285,403.14/8,577.20
  6. Step 6: Final answer
    x = 10,059.86

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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.