Home / 19,712.41-27,199.07-11,327.29

Finding the Fourth Proportional to 19,712.41, 27,199.07 and 11,327.29

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Solution

The fourth proportional to 19,712.41, 27,199.07 and 11,327.29 is: 15,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.41 : 27,199.07 = 11,327.29 : x
  2. Step 2: Convert to fraction form
    19,712.41/27,199.07 = 11,327.29/x
  3. Step 3: Cross multiply
    19,712.41x = 27,199.07 × 11,327.29
  4. Step 4: Simplify right side
    19,712.41x = 308,091,696.98
  5. Step 5: Solve for x
    x = 308,091,696.98/19,712.41
  6. Step 6: Final answer
    x = 15,629.33

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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.