Home / 18,698.38-25,815.72-11,634.37

Finding the Fourth Proportional to 18,698.38, 25,815.72 and 11,634.37

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Solution

The fourth proportional to 18,698.38, 25,815.72 and 11,634.37 is: 16,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.38 : 25,815.72 = 11,634.37 : x
  2. Step 2: Convert to fraction form
    18,698.38/25,815.72 = 11,634.37/x
  3. Step 3: Cross multiply
    18,698.38x = 25,815.72 × 11,634.37
  4. Step 4: Simplify right side
    18,698.38x = 300,349,638.30
  5. Step 5: Solve for x
    x = 300,349,638.30/18,698.38
  6. Step 6: Final answer
    x = 16,062.87

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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.