Home / 10,965.36-16,447.98-3,945.36

Finding the Fourth Proportional to 10,965.36, 16,447.98 and 3,945.36

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Solution

The fourth proportional to 10,965.36, 16,447.98 and 3,945.36 is: 5,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.36 : 16,447.98 = 3,945.36 : x
  2. Step 2: Convert to fraction form
    10,965.36/16,447.98 = 3,945.36/x
  3. Step 3: Cross multiply
    10,965.36x = 16,447.98 × 3,945.36
  4. Step 4: Simplify right side
    10,965.36x = 64,893,202.37
  5. Step 5: Solve for x
    x = 64,893,202.37/10,965.36
  6. Step 6: Final answer
    x = 5,918.02

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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.