Home / 12,116.46-18,163.68-4,323.45

Finding the Fourth Proportional to 12,116.46, 18,163.68 and 4,323.45

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Solution

The fourth proportional to 12,116.46, 18,163.68 and 4,323.45 is: 6,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.46 : 18,163.68 = 4,323.45 : x
  2. Step 2: Convert to fraction form
    12,116.46/18,163.68 = 4,323.45/x
  3. Step 3: Cross multiply
    12,116.46x = 18,163.68 × 4,323.45
  4. Step 4: Simplify right side
    12,116.46x = 78,529,762.30
  5. Step 5: Solve for x
    x = 78,529,762.30/12,116.46
  6. Step 6: Final answer
    x = 6,481.25

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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.