Home / 14,634.20-21,951.30-12,452.60

Finding the Fourth Proportional to 14,634.20, 21,951.30 and 12,452.60

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Solution

The fourth proportional to 14,634.20, 21,951.30 and 12,452.60 is: 18,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.20 : 21,951.30 = 12,452.60 : x
  2. Step 2: Convert to fraction form
    14,634.20/21,951.30 = 12,452.60/x
  3. Step 3: Cross multiply
    14,634.20x = 21,951.30 × 12,452.60
  4. Step 4: Simplify right side
    14,634.20x = 273,350,758.38
  5. Step 5: Solve for x
    x = 273,350,758.38/14,634.20
  6. Step 6: Final answer
    x = 18,678.90

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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.