Home / 18,788.49-25,924.41-10,721.97

Finding the Fourth Proportional to 18,788.49, 25,924.41 and 10,721.97

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Solution

The fourth proportional to 18,788.49, 25,924.41 and 10,721.97 is: 14,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.49 : 25,924.41 = 10,721.97 : x
  2. Step 2: Convert to fraction form
    18,788.49/25,924.41 = 10,721.97/x
  3. Step 3: Cross multiply
    18,788.49x = 25,924.41 × 10,721.97
  4. Step 4: Simplify right side
    18,788.49x = 277,960,746.29
  5. Step 5: Solve for x
    x = 277,960,746.29/18,788.49
  6. Step 6: Final answer
    x = 14,794.20

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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.