Home / 11,333.12-16,998.72-3,936.32

Finding the Fourth Proportional to 11,333.12, 16,998.72 and 3,936.32

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Solution

The fourth proportional to 11,333.12, 16,998.72 and 3,936.32 is: 5,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.12 : 16,998.72 = 3,936.32 : x
  2. Step 2: Convert to fraction form
    11,333.12/16,998.72 = 3,936.32/x
  3. Step 3: Cross multiply
    11,333.12x = 16,998.72 × 3,936.32
  4. Step 4: Simplify right side
    11,333.12x = 66,912,401.51
  5. Step 5: Solve for x
    x = 66,912,401.51/11,333.12
  6. Step 6: Final answer
    x = 5,904.15

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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.