Home / 13,892.44-20,838.30-4,405.36

Finding the Fourth Proportional to 13,892.44, 20,838.30 and 4,405.36

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Solution

The fourth proportional to 13,892.44, 20,838.30 and 4,405.36 is: 6,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.44 : 20,838.30 = 4,405.36 : x
  2. Step 2: Convert to fraction form
    13,892.44/20,838.30 = 4,405.36/x
  3. Step 3: Cross multiply
    13,892.44x = 20,838.30 × 4,405.36
  4. Step 4: Simplify right side
    13,892.44x = 91,800,213.29
  5. Step 5: Solve for x
    x = 91,800,213.29/13,892.44
  6. Step 6: Final answer
    x = 6,607.93

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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.