Home / 21,062.53-29,067.05-11,631.09

Finding the Fourth Proportional to 21,062.53, 29,067.05 and 11,631.09

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Solution

The fourth proportional to 21,062.53, 29,067.05 and 11,631.09 is: 16,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.53 : 29,067.05 = 11,631.09 : x
  2. Step 2: Convert to fraction form
    21,062.53/29,067.05 = 11,631.09/x
  3. Step 3: Cross multiply
    21,062.53x = 29,067.05 × 11,631.09
  4. Step 4: Simplify right side
    21,062.53x = 338,081,612.66
  5. Step 5: Solve for x
    x = 338,081,612.66/21,062.53
  6. Step 6: Final answer
    x = 16,051.33

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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.