Home / 12,235.24-18,348.90-3,467.80

Finding the Fourth Proportional to 12,235.24, 18,348.90 and 3,467.80

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Solution

The fourth proportional to 12,235.24, 18,348.90 and 3,467.80 is: 5,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.24 : 18,348.90 = 3,467.80 : x
  2. Step 2: Convert to fraction form
    12,235.24/18,348.90 = 3,467.80/x
  3. Step 3: Cross multiply
    12,235.24x = 18,348.90 × 3,467.80
  4. Step 4: Simplify right side
    12,235.24x = 63,630,315.42
  5. Step 5: Solve for x
    x = 63,630,315.42/12,235.24
  6. Step 6: Final answer
    x = 5,200.58

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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.