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Finding the Fourth Proportional to 13,793.08, 19,041.06 and 8,492.44

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Solution

The fourth proportional to 13,793.08, 19,041.06 and 8,492.44 is: 11,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.08 : 19,041.06 = 8,492.44 : x
  2. Step 2: Convert to fraction form
    13,793.08/19,041.06 = 8,492.44/x
  3. Step 3: Cross multiply
    13,793.08x = 19,041.06 × 8,492.44
  4. Step 4: Simplify right side
    13,793.08x = 161,705,059.59
  5. Step 5: Solve for x
    x = 161,705,059.59/13,793.08
  6. Step 6: Final answer
    x = 11,723.64

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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.