Home / 14,611.42-20,163.72-8,323.84

Finding the Fourth Proportional to 14,611.42, 20,163.72 and 8,323.84

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Solution

The fourth proportional to 14,611.42, 20,163.72 and 8,323.84 is: 11,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.42 : 20,163.72 = 8,323.84 : x
  2. Step 2: Convert to fraction form
    14,611.42/20,163.72 = 8,323.84/x
  3. Step 3: Cross multiply
    14,611.42x = 20,163.72 × 8,323.84
  4. Step 4: Simplify right side
    14,611.42x = 167,839,579.08
  5. Step 5: Solve for x
    x = 167,839,579.08/14,611.42
  6. Step 6: Final answer
    x = 11,486.88

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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.