Home / 13,806.20-19,056.18-8,505.44

Finding the Fourth Proportional to 13,806.20, 19,056.18 and 8,505.44

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Solution

The fourth proportional to 13,806.20, 19,056.18 and 8,505.44 is: 11,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.20 : 19,056.18 = 8,505.44 : x
  2. Step 2: Convert to fraction form
    13,806.20/19,056.18 = 8,505.44/x
  3. Step 3: Cross multiply
    13,806.20x = 19,056.18 × 8,505.44
  4. Step 4: Simplify right side
    13,806.20x = 162,081,195.62
  5. Step 5: Solve for x
    x = 162,081,195.62/13,806.20
  6. Step 6: Final answer
    x = 11,739.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.