Home / 18,712.38-25,824.06-10,757.28

Finding the Fourth Proportional to 18,712.38, 25,824.06 and 10,757.28

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Solution

The fourth proportional to 18,712.38, 25,824.06 and 10,757.28 is: 14,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.38 : 25,824.06 = 10,757.28 : x
  2. Step 2: Convert to fraction form
    18,712.38/25,824.06 = 10,757.28/x
  3. Step 3: Cross multiply
    18,712.38x = 25,824.06 × 10,757.28
  4. Step 4: Simplify right side
    18,712.38x = 277,796,644.16
  5. Step 5: Solve for x
    x = 277,796,644.16/18,712.38
  6. Step 6: Final answer
    x = 14,845.61

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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.