Home / 19,673.82-29,513.64-6,342.36

Finding the Fourth Proportional to 19,673.82, 29,513.64 and 6,342.36

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Solution

The fourth proportional to 19,673.82, 29,513.64 and 6,342.36 is: 9,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.82 : 29,513.64 = 6,342.36 : x
  2. Step 2: Convert to fraction form
    19,673.82/29,513.64 = 6,342.36/x
  3. Step 3: Cross multiply
    19,673.82x = 29,513.64 × 6,342.36
  4. Step 4: Simplify right side
    19,673.82x = 187,186,129.79
  5. Step 5: Solve for x
    x = 187,186,129.79/19,673.82
  6. Step 6: Final answer
    x = 9,514.48

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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.