Home / 13,515.22-20,274.77-4,156.03

Finding the Fourth Proportional to 13,515.22, 20,274.77 and 4,156.03

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Solution

The fourth proportional to 13,515.22, 20,274.77 and 4,156.03 is: 6,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.22 : 20,274.77 = 4,156.03 : x
  2. Step 2: Convert to fraction form
    13,515.22/20,274.77 = 4,156.03/x
  3. Step 3: Cross multiply
    13,515.22x = 20,274.77 × 4,156.03
  4. Step 4: Simplify right side
    13,515.22x = 84,262,450.99
  5. Step 5: Solve for x
    x = 84,262,450.99/13,515.22
  6. Step 6: Final answer
    x = 6,234.63

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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.