Home / 19,829.73-29,747.33-11,513.66

Finding the Fourth Proportional to 19,829.73, 29,747.33 and 11,513.66

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Solution

The fourth proportional to 19,829.73, 29,747.33 and 11,513.66 is: 17,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.73 : 29,747.33 = 11,513.66 : x
  2. Step 2: Convert to fraction form
    19,829.73/29,747.33 = 11,513.66/x
  3. Step 3: Cross multiply
    19,829.73x = 29,747.33 × 11,513.66
  4. Step 4: Simplify right side
    19,829.73x = 342,500,643.53
  5. Step 5: Solve for x
    x = 342,500,643.53/19,829.73
  6. Step 6: Final answer
    x = 17,272.08

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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.