Home / 12,566.78-18,849.96-3,801.77

Finding the Fourth Proportional to 12,566.78, 18,849.96 and 3,801.77

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Solution

The fourth proportional to 12,566.78, 18,849.96 and 3,801.77 is: 5,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.78 : 18,849.96 = 3,801.77 : x
  2. Step 2: Convert to fraction form
    12,566.78/18,849.96 = 3,801.77/x
  3. Step 3: Cross multiply
    12,566.78x = 18,849.96 × 3,801.77
  4. Step 4: Simplify right side
    12,566.78x = 71,663,212.43
  5. Step 5: Solve for x
    x = 71,663,212.43/12,566.78
  6. Step 6: Final answer
    x = 5,702.59

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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.