Home / 12,566.43-18,849.45-3,078.84

Finding the Fourth Proportional to 12,566.43, 18,849.45 and 3,078.84

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Solution

The fourth proportional to 12,566.43, 18,849.45 and 3,078.84 is: 4,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.43 : 18,849.45 = 3,078.84 : x
  2. Step 2: Convert to fraction form
    12,566.43/18,849.45 = 3,078.84/x
  3. Step 3: Cross multiply
    12,566.43x = 18,849.45 × 3,078.84
  4. Step 4: Simplify right side
    12,566.43x = 58,034,440.64
  5. Step 5: Solve for x
    x = 58,034,440.64/12,566.43
  6. Step 6: Final answer
    x = 4,618.21

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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.