Home / 13,734.90-20,604.41-4,971.87

Finding the Fourth Proportional to 13,734.90, 20,604.41 and 4,971.87

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Solution

The fourth proportional to 13,734.90, 20,604.41 and 4,971.87 is: 7,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.90 : 20,604.41 = 4,971.87 : x
  2. Step 2: Convert to fraction form
    13,734.90/20,604.41 = 4,971.87/x
  3. Step 3: Cross multiply
    13,734.90x = 20,604.41 × 4,971.87
  4. Step 4: Simplify right side
    13,734.90x = 102,442,447.95
  5. Step 5: Solve for x
    x = 102,442,447.95/13,734.90
  6. Step 6: Final answer
    x = 7,458.55

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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.