Home / 12,584.85-18,880.11-4,264.34

Finding the Fourth Proportional to 12,584.85, 18,880.11 and 4,264.34

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Solution

The fourth proportional to 12,584.85, 18,880.11 and 4,264.34 is: 6,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.85 : 18,880.11 = 4,264.34 : x
  2. Step 2: Convert to fraction form
    12,584.85/18,880.11 = 4,264.34/x
  3. Step 3: Cross multiply
    12,584.85x = 18,880.11 × 4,264.34
  4. Step 4: Simplify right side
    12,584.85x = 80,511,113.88
  5. Step 5: Solve for x
    x = 80,511,113.88/12,584.85
  6. Step 6: Final answer
    x = 6,397.46

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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.