Home / 19,930.66-29,838.07-11,585.23

Finding the Fourth Proportional to 19,930.66, 29,838.07 and 11,585.23

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Solution

The fourth proportional to 19,930.66, 29,838.07 and 11,585.23 is: 17,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.66 : 29,838.07 = 11,585.23 : x
  2. Step 2: Convert to fraction form
    19,930.66/29,838.07 = 11,585.23/x
  3. Step 3: Cross multiply
    19,930.66x = 29,838.07 × 11,585.23
  4. Step 4: Simplify right side
    19,930.66x = 345,680,843.59
  5. Step 5: Solve for x
    x = 345,680,843.59/19,930.66
  6. Step 6: Final answer
    x = 17,344.18

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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.