Home / 21,043.44-29,039.76-11,611.92

Finding the Fourth Proportional to 21,043.44, 29,039.76 and 11,611.92

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Solution

The fourth proportional to 21,043.44, 29,039.76 and 11,611.92 is: 16,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.44 : 29,039.76 = 11,611.92 : x
  2. Step 2: Convert to fraction form
    21,043.44/29,039.76 = 11,611.92/x
  3. Step 3: Cross multiply
    21,043.44x = 29,039.76 × 11,611.92
  4. Step 4: Simplify right side
    21,043.44x = 337,207,369.94
  5. Step 5: Solve for x
    x = 337,207,369.94/21,043.44
  6. Step 6: Final answer
    x = 16,024.35

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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.