Home / 19,863.33-27,411.30-10,911

Finding the Fourth Proportional to 19,863.33, 27,411.30 and 10,911

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Solution

The fourth proportional to 19,863.33, 27,411.30 and 10,911 is: 15,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.33 : 27,411.30 = 10,911 : x
  2. Step 2: Convert to fraction form
    19,863.33/27,411.30 = 10,911/x
  3. Step 3: Cross multiply
    19,863.33x = 27,411.30 × 10,911
  4. Step 4: Simplify right side
    19,863.33x = 299,084,694.30
  5. Step 5: Solve for x
    x = 299,084,694.30/19,863.33
  6. Step 6: Final answer
    x = 15,057.13

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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.