Home / 12,103.21-18,154.92-3,338.59

Finding the Fourth Proportional to 12,103.21, 18,154.92 and 3,338.59

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Solution

The fourth proportional to 12,103.21, 18,154.92 and 3,338.59 is: 5,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.21 : 18,154.92 = 3,338.59 : x
  2. Step 2: Convert to fraction form
    12,103.21/18,154.92 = 3,338.59/x
  3. Step 3: Cross multiply
    12,103.21x = 18,154.92 × 3,338.59
  4. Step 4: Simplify right side
    12,103.21x = 60,611,834.36
  5. Step 5: Solve for x
    x = 60,611,834.36/12,103.21
  6. Step 6: Final answer
    x = 5,007.91

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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.