Home / 13,492.78-20,234.68-4,725.61

Finding the Fourth Proportional to 13,492.78, 20,234.68 and 4,725.61

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Solution

The fourth proportional to 13,492.78, 20,234.68 and 4,725.61 is: 7,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.78 : 20,234.68 = 4,725.61 : x
  2. Step 2: Convert to fraction form
    13,492.78/20,234.68 = 4,725.61/x
  3. Step 3: Cross multiply
    13,492.78x = 20,234.68 × 4,725.61
  4. Step 4: Simplify right side
    13,492.78x = 95,621,143.75
  5. Step 5: Solve for x
    x = 95,621,143.75/13,492.78
  6. Step 6: Final answer
    x = 7,086.84

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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.