Home / 19,629-27,089.10-11,246.04

Finding the Fourth Proportional to 19,629, 27,089.10 and 11,246.04

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Solution

The fourth proportional to 19,629, 27,089.10 and 11,246.04 is: 15,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629 : 27,089.10 = 11,246.04 : x
  2. Step 2: Convert to fraction form
    19,629/27,089.10 = 11,246.04/x
  3. Step 3: Cross multiply
    19,629x = 27,089.10 × 11,246.04
  4. Step 4: Simplify right side
    19,629x = 304,645,102.16
  5. Step 5: Solve for x
    x = 304,645,102.16/19,629
  6. Step 6: Final answer
    x = 15,520.15

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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.