Home / 12,514.08-18,772.46-4,193.76

Finding the Fourth Proportional to 12,514.08, 18,772.46 and 4,193.76

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Solution

The fourth proportional to 12,514.08, 18,772.46 and 4,193.76 is: 6,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.08 : 18,772.46 = 4,193.76 : x
  2. Step 2: Convert to fraction form
    12,514.08/18,772.46 = 4,193.76/x
  3. Step 3: Cross multiply
    12,514.08x = 18,772.46 × 4,193.76
  4. Step 4: Simplify right side
    12,514.08x = 78,727,191.85
  5. Step 5: Solve for x
    x = 78,727,191.85/12,514.08
  6. Step 6: Final answer
    x = 6,291.09

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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.