Home / 18,767.38-25,886.78-12,042.36

Finding the Fourth Proportional to 18,767.38, 25,886.78 and 12,042.36

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Solution

The fourth proportional to 18,767.38, 25,886.78 and 12,042.36 is: 16,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.38 : 25,886.78 = 12,042.36 : x
  2. Step 2: Convert to fraction form
    18,767.38/25,886.78 = 12,042.36/x
  3. Step 3: Cross multiply
    18,767.38x = 25,886.78 × 12,042.36
  4. Step 4: Simplify right side
    18,767.38x = 311,737,734.36
  5. Step 5: Solve for x
    x = 311,737,734.36/18,767.38
  6. Step 6: Final answer
    x = 16,610.62

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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.