Home / 21,043.23-29,037.08-11,611.79

Finding the Fourth Proportional to 21,043.23, 29,037.08 and 11,611.79

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Solution

The fourth proportional to 21,043.23, 29,037.08 and 11,611.79 is: 16,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.23 : 29,037.08 = 11,611.79 : x
  2. Step 2: Convert to fraction form
    21,043.23/29,037.08 = 11,611.79/x
  3. Step 3: Cross multiply
    21,043.23x = 29,037.08 × 11,611.79
  4. Step 4: Simplify right side
    21,043.23x = 337,172,467.91
  5. Step 5: Solve for x
    x = 337,172,467.91/21,043.23
  6. Step 6: Final answer
    x = 16,022.85

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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.