Home / 19,701.82-29,560.18-11,809.97

Finding the Fourth Proportional to 19,701.82, 29,560.18 and 11,809.97

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Solution

The fourth proportional to 19,701.82, 29,560.18 and 11,809.97 is: 17,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.82 : 29,560.18 = 11,809.97 : x
  2. Step 2: Convert to fraction form
    19,701.82/29,560.18 = 11,809.97/x
  3. Step 3: Cross multiply
    19,701.82x = 29,560.18 × 11,809.97
  4. Step 4: Simplify right side
    19,701.82x = 349,104,877.78
  5. Step 5: Solve for x
    x = 349,104,877.78/19,701.82
  6. Step 6: Final answer
    x = 17,719.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.