Home / 12,467.43-18,702.90-4,675.50

Finding the Fourth Proportional to 12,467.43, 18,702.90 and 4,675.50

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Solution

The fourth proportional to 12,467.43, 18,702.90 and 4,675.50 is: 7,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.43 : 18,702.90 = 4,675.50 : x
  2. Step 2: Convert to fraction form
    12,467.43/18,702.90 = 4,675.50/x
  3. Step 3: Cross multiply
    12,467.43x = 18,702.90 × 4,675.50
  4. Step 4: Simplify right side
    12,467.43x = 87,445,408.95
  5. Step 5: Solve for x
    x = 87,445,408.95/12,467.43
  6. Step 6: Final answer
    x = 7,013.91

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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.