Home / 14,110.20-21,122.10-8,249.40

Finding the Fourth Proportional to 14,110.20, 21,122.10 and 8,249.40

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Solution

The fourth proportional to 14,110.20, 21,122.10 and 8,249.40 is: 12,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 21,122.10 = 8,249.40 : x
  2. Step 2: Convert to fraction form
    14,110.20/21,122.10 = 8,249.40/x
  3. Step 3: Cross multiply
    14,110.20x = 21,122.10 × 8,249.40
  4. Step 4: Simplify right side
    14,110.20x = 174,244,651.74
  5. Step 5: Solve for x
    x = 174,244,651.74/14,110.20
  6. Step 6: Final answer
    x = 12,348.84

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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.