Home / 12,173.63-18,249.50-4,380.62

Finding the Fourth Proportional to 12,173.63, 18,249.50 and 4,380.62

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Solution

The fourth proportional to 12,173.63, 18,249.50 and 4,380.62 is: 6,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.63 : 18,249.50 = 4,380.62 : x
  2. Step 2: Convert to fraction form
    12,173.63/18,249.50 = 4,380.62/x
  3. Step 3: Cross multiply
    12,173.63x = 18,249.50 × 4,380.62
  4. Step 4: Simplify right side
    12,173.63x = 79,944,044.39
  5. Step 5: Solve for x
    x = 79,944,044.39/12,173.63
  6. Step 6: Final answer
    x = 6,566.99

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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.