Home / 21,037.89-29,031.42-11,606.44

Finding the Fourth Proportional to 21,037.89, 29,031.42 and 11,606.44

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Solution

The fourth proportional to 21,037.89, 29,031.42 and 11,606.44 is: 16,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.89 : 29,031.42 = 11,606.44 : x
  2. Step 2: Convert to fraction form
    21,037.89/29,031.42 = 11,606.44/x
  3. Step 3: Cross multiply
    21,037.89x = 29,031.42 × 11,606.44
  4. Step 4: Simplify right side
    21,037.89x = 336,951,434.34
  5. Step 5: Solve for x
    x = 336,951,434.34/21,037.89
  6. Step 6: Final answer
    x = 16,016.41

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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.