Home / 12,566.40-18,849.99-3,206.43

Finding the Fourth Proportional to 12,566.40, 18,849.99 and 3,206.43

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Solution

The fourth proportional to 12,566.40, 18,849.99 and 3,206.43 is: 4,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.40 : 18,849.99 = 3,206.43 : x
  2. Step 2: Convert to fraction form
    12,566.40/18,849.99 = 3,206.43/x
  3. Step 3: Cross multiply
    12,566.40x = 18,849.99 × 3,206.43
  4. Step 4: Simplify right side
    12,566.40x = 60,441,173.44
  5. Step 5: Solve for x
    x = 60,441,173.44/12,566.40
  6. Step 6: Final answer
    x = 4,809.74

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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.