Home / 13,644.26-20,445.87-9,246.50

Finding the Fourth Proportional to 13,644.26, 20,445.87 and 9,246.50

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Solution

The fourth proportional to 13,644.26, 20,445.87 and 9,246.50 is: 13,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.26 : 20,445.87 = 9,246.50 : x
  2. Step 2: Convert to fraction form
    13,644.26/20,445.87 = 9,246.50/x
  3. Step 3: Cross multiply
    13,644.26x = 20,445.87 × 9,246.50
  4. Step 4: Simplify right side
    13,644.26x = 189,052,736.96
  5. Step 5: Solve for x
    x = 189,052,736.96/13,644.26
  6. Step 6: Final answer
    x = 13,855.84

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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.