Home / 11,436.78-17,137.46-7,933.60

Finding the Fourth Proportional to 11,436.78, 17,137.46 and 7,933.60

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Solution

The fourth proportional to 11,436.78, 17,137.46 and 7,933.60 is: 11,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.78 : 17,137.46 = 7,933.60 : x
  2. Step 2: Convert to fraction form
    11,436.78/17,137.46 = 7,933.60/x
  3. Step 3: Cross multiply
    11,436.78x = 17,137.46 × 7,933.60
  4. Step 4: Simplify right side
    11,436.78x = 135,961,752.66
  5. Step 5: Solve for x
    x = 135,961,752.66/11,436.78
  6. Step 6: Final answer
    x = 11,888.11

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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.