Home / 20,067.83-27,693.89-11,569.78

Finding the Fourth Proportional to 20,067.83, 27,693.89 and 11,569.78

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Solution

The fourth proportional to 20,067.83, 27,693.89 and 11,569.78 is: 15,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.83 : 27,693.89 = 11,569.78 : x
  2. Step 2: Convert to fraction form
    20,067.83/27,693.89 = 11,569.78/x
  3. Step 3: Cross multiply
    20,067.83x = 27,693.89 × 11,569.78
  4. Step 4: Simplify right side
    20,067.83x = 320,412,214.64
  5. Step 5: Solve for x
    x = 320,412,214.64/20,067.83
  6. Step 6: Final answer
    x = 15,966.46

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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.