Home / 12,223-16,868.10-6,634.36

Finding the Fourth Proportional to 12,223, 16,868.10 and 6,634.36

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Solution

The fourth proportional to 12,223, 16,868.10 and 6,634.36 is: 9,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223 : 16,868.10 = 6,634.36 : x
  2. Step 2: Convert to fraction form
    12,223/16,868.10 = 6,634.36/x
  3. Step 3: Cross multiply
    12,223x = 16,868.10 × 6,634.36
  4. Step 4: Simplify right side
    12,223x = 111,909,047.92
  5. Step 5: Solve for x
    x = 111,909,047.92/12,223
  6. Step 6: Final answer
    x = 9,155.61

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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.