Home / 11,640.36-16,062.84-6,923.76

Finding the Fourth Proportional to 11,640.36, 16,062.84 and 6,923.76

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Solution

The fourth proportional to 11,640.36, 16,062.84 and 6,923.76 is: 9,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.36 : 16,062.84 = 6,923.76 : x
  2. Step 2: Convert to fraction form
    11,640.36/16,062.84 = 6,923.76/x
  3. Step 3: Cross multiply
    11,640.36x = 16,062.84 × 6,923.76
  4. Step 4: Simplify right side
    11,640.36x = 111,215,249.08
  5. Step 5: Solve for x
    x = 111,215,249.08/11,640.36
  6. Step 6: Final answer
    x = 9,554.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.