Home / 21,698.74-29,961.24-16,654.97

Finding the Fourth Proportional to 21,698.74, 29,961.24 and 16,654.97

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Solution

The fourth proportional to 21,698.74, 29,961.24 and 16,654.97 is: 22,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.74 : 29,961.24 = 16,654.97 : x
  2. Step 2: Convert to fraction form
    21,698.74/29,961.24 = 16,654.97/x
  3. Step 3: Cross multiply
    21,698.74x = 29,961.24 × 16,654.97
  4. Step 4: Simplify right side
    21,698.74x = 499,003,490.96
  5. Step 5: Solve for x
    x = 499,003,490.96/21,698.74
  6. Step 6: Final answer
    x = 22,996.89

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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.