Home / 21,197.92-29,253.36-11,766.88

Finding the Fourth Proportional to 21,197.92, 29,253.36 and 11,766.88

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Solution

The fourth proportional to 21,197.92, 29,253.36 and 11,766.88 is: 16,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.92 : 29,253.36 = 11,766.88 : x
  2. Step 2: Convert to fraction form
    21,197.92/29,253.36 = 11,766.88/x
  3. Step 3: Cross multiply
    21,197.92x = 29,253.36 × 11,766.88
  4. Step 4: Simplify right side
    21,197.92x = 344,220,776.72
  5. Step 5: Solve for x
    x = 344,220,776.72/21,197.92
  6. Step 6: Final answer
    x = 16,238.42

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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.