Home / 16,163.74-24,209.97-12,438.55

Finding the Fourth Proportional to 16,163.74, 24,209.97 and 12,438.55

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Solution

The fourth proportional to 16,163.74, 24,209.97 and 12,438.55 is: 18,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.74 : 24,209.97 = 12,438.55 : x
  2. Step 2: Convert to fraction form
    16,163.74/24,209.97 = 12,438.55/x
  3. Step 3: Cross multiply
    16,163.74x = 24,209.97 × 12,438.55
  4. Step 4: Simplify right side
    16,163.74x = 301,136,922.34
  5. Step 5: Solve for x
    x = 301,136,922.34/16,163.74
  6. Step 6: Final answer
    x = 18,630.40

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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.