Home / 11,186.26-16,784.79-4,945.54

Finding the Fourth Proportional to 11,186.26, 16,784.79 and 4,945.54

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Solution

The fourth proportional to 11,186.26, 16,784.79 and 4,945.54 is: 7,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.26 : 16,784.79 = 4,945.54 : x
  2. Step 2: Convert to fraction form
    11,186.26/16,784.79 = 4,945.54/x
  3. Step 3: Cross multiply
    11,186.26x = 16,784.79 × 4,945.54
  4. Step 4: Simplify right side
    11,186.26x = 83,009,850.34
  5. Step 5: Solve for x
    x = 83,009,850.34/11,186.26
  6. Step 6: Final answer
    x = 7,420.70

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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.