Home / 11,499.60-17,249.40-4,112.40

Finding the Fourth Proportional to 11,499.60, 17,249.40 and 4,112.40

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Solution

The fourth proportional to 11,499.60, 17,249.40 and 4,112.40 is: 6,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.60 : 17,249.40 = 4,112.40 : x
  2. Step 2: Convert to fraction form
    11,499.60/17,249.40 = 4,112.40/x
  3. Step 3: Cross multiply
    11,499.60x = 17,249.40 × 4,112.40
  4. Step 4: Simplify right side
    11,499.60x = 70,936,432.56
  5. Step 5: Solve for x
    x = 70,936,432.56/11,499.60
  6. Step 6: Final answer
    x = 6,168.60

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1.5x scale

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.