Home / 21,505.62-29,676.32-11,944.73

Finding the Fourth Proportional to 21,505.62, 29,676.32 and 11,944.73

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Solution

The fourth proportional to 21,505.62, 29,676.32 and 11,944.73 is: 16,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.62 : 29,676.32 = 11,944.73 : x
  2. Step 2: Convert to fraction form
    21,505.62/29,676.32 = 11,944.73/x
  3. Step 3: Cross multiply
    21,505.62x = 29,676.32 × 11,944.73
  4. Step 4: Simplify right side
    21,505.62x = 354,475,421.69
  5. Step 5: Solve for x
    x = 354,475,421.69/21,505.62
  6. Step 6: Final answer
    x = 16,482.92

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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.