Home / 18,458.66-25,474.82-10,907.43

Finding the Fourth Proportional to 18,458.66, 25,474.82 and 10,907.43

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Solution

The fourth proportional to 18,458.66, 25,474.82 and 10,907.43 is: 15,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.66 : 25,474.82 = 10,907.43 : x
  2. Step 2: Convert to fraction form
    18,458.66/25,474.82 = 10,907.43/x
  3. Step 3: Cross multiply
    18,458.66x = 25,474.82 × 10,907.43
  4. Step 4: Simplify right side
    18,458.66x = 277,864,815.91
  5. Step 5: Solve for x
    x = 277,864,815.91/18,458.66
  6. Step 6: Final answer
    x = 15,053.36

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1.5x scale

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.