Home / 19,719.33-27,212.69-11,335.33

Finding the Fourth Proportional to 19,719.33, 27,212.69 and 11,335.33

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Solution

The fourth proportional to 19,719.33, 27,212.69 and 11,335.33 is: 15,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.33 : 27,212.69 = 11,335.33 : x
  2. Step 2: Convert to fraction form
    19,719.33/27,212.69 = 11,335.33/x
  3. Step 3: Cross multiply
    19,719.33x = 27,212.69 × 11,335.33
  4. Step 4: Simplify right side
    19,719.33x = 308,464,764.66
  5. Step 5: Solve for x
    x = 308,464,764.66/19,719.33
  6. Step 6: Final answer
    x = 15,642.76

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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.