Home / 11,289.48-16,960.16-7,965.37

Finding the Fourth Proportional to 11,289.48, 16,960.16 and 7,965.37

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Solution

The fourth proportional to 11,289.48, 16,960.16 and 7,965.37 is: 11,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.48 : 16,960.16 = 7,965.37 : x
  2. Step 2: Convert to fraction form
    11,289.48/16,960.16 = 7,965.37/x
  3. Step 3: Cross multiply
    11,289.48x = 16,960.16 × 7,965.37
  4. Step 4: Simplify right side
    11,289.48x = 135,093,949.66
  5. Step 5: Solve for x
    x = 135,093,949.66/11,289.48
  6. Step 6: Final answer
    x = 11,966.36

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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.