Home / 18,084.10-24,939.40-12,408.84

Finding the Fourth Proportional to 18,084.10, 24,939.40 and 12,408.84

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Solution

The fourth proportional to 18,084.10, 24,939.40 and 12,408.84 is: 17,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.10 : 24,939.40 = 12,408.84 : x
  2. Step 2: Convert to fraction form
    18,084.10/24,939.40 = 12,408.84/x
  3. Step 3: Cross multiply
    18,084.10x = 24,939.40 × 12,408.84
  4. Step 4: Simplify right side
    18,084.10x = 309,469,024.30
  5. Step 5: Solve for x
    x = 309,469,024.30/18,084.10
  6. Step 6: Final answer
    x = 17,112.77

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1.5x scale

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.