Home / 8,814.08-12,163.44-5,672.32

Finding the Fourth Proportional to 8,814.08, 12,163.44 and 5,672.32

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Solution

The fourth proportional to 8,814.08, 12,163.44 and 5,672.32 is: 7,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.08 : 12,163.44 = 5,672.32 : x
  2. Step 2: Convert to fraction form
    8,814.08/12,163.44 = 5,672.32/x
  3. Step 3: Cross multiply
    8,814.08x = 12,163.44 × 5,672.32
  4. Step 4: Simplify right side
    8,814.08x = 68,994,923.98
  5. Step 5: Solve for x
    x = 68,994,923.98/8,814.08
  6. Step 6: Final answer
    x = 7,827.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.