Home / 13,899.34-20,849.66-4,539.36

Finding the Fourth Proportional to 13,899.34, 20,849.66 and 4,539.36

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Solution

The fourth proportional to 13,899.34, 20,849.66 and 4,539.36 is: 6,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.34 : 20,849.66 = 4,539.36 : x
  2. Step 2: Convert to fraction form
    13,899.34/20,849.66 = 4,539.36/x
  3. Step 3: Cross multiply
    13,899.34x = 20,849.66 × 4,539.36
  4. Step 4: Simplify right side
    13,899.34x = 94,644,112.62
  5. Step 5: Solve for x
    x = 94,644,112.62/13,899.34
  6. Step 6: Final answer
    x = 6,809.25

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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.