Home / 11,783.43-17,675.30-3,886.76

Finding the Fourth Proportional to 11,783.43, 17,675.30 and 3,886.76

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Solution

The fourth proportional to 11,783.43, 17,675.30 and 3,886.76 is: 5,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.43 : 17,675.30 = 3,886.76 : x
  2. Step 2: Convert to fraction form
    11,783.43/17,675.30 = 3,886.76/x
  3. Step 3: Cross multiply
    11,783.43x = 17,675.30 × 3,886.76
  4. Step 4: Simplify right side
    11,783.43x = 68,699,702.93
  5. Step 5: Solve for x
    x = 68,699,702.93/11,783.43
  6. Step 6: Final answer
    x = 5,830.20

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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.