Home / 14,092.83-21,140.87-8,249.49

Finding the Fourth Proportional to 14,092.83, 21,140.87 and 8,249.49

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Solution

The fourth proportional to 14,092.83, 21,140.87 and 8,249.49 is: 12,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.83 : 21,140.87 = 8,249.49 : x
  2. Step 2: Convert to fraction form
    14,092.83/21,140.87 = 8,249.49/x
  3. Step 3: Cross multiply
    14,092.83x = 21,140.87 × 8,249.49
  4. Step 4: Simplify right side
    14,092.83x = 174,401,354.41
  5. Step 5: Solve for x
    x = 174,401,354.41/14,092.83
  6. Step 6: Final answer
    x = 12,375.18

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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.