Home / 8,464.18-12,705.34-7,163.83

Finding the Fourth Proportional to 8,464.18, 12,705.34 and 7,163.83

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Solution

The fourth proportional to 8,464.18, 12,705.34 and 7,163.83 is: 10,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.18 : 12,705.34 = 7,163.83 : x
  2. Step 2: Convert to fraction form
    8,464.18/12,705.34 = 7,163.83/x
  3. Step 3: Cross multiply
    8,464.18x = 12,705.34 × 7,163.83
  4. Step 4: Simplify right side
    8,464.18x = 91,018,895.85
  5. Step 5: Solve for x
    x = 91,018,895.85/8,464.18
  6. Step 6: Final answer
    x = 10,753.42

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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.