Home / 13,899.34-20,850.29-4,539.41

Finding the Fourth Proportional to 13,899.34, 20,850.29 and 4,539.41

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Solution

The fourth proportional to 13,899.34, 20,850.29 and 4,539.41 is: 6,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.34 : 20,850.29 = 4,539.41 : x
  2. Step 2: Convert to fraction form
    13,899.34/20,850.29 = 4,539.41/x
  3. Step 3: Cross multiply
    13,899.34x = 20,850.29 × 4,539.41
  4. Step 4: Simplify right side
    13,899.34x = 94,647,952.61
  5. Step 5: Solve for x
    x = 94,647,952.61/13,899.34
  6. Step 6: Final answer
    x = 6,809.53

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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.