Home / 18,126.12-27,178.38-6,276

Finding the Fourth Proportional to 18,126.12, 27,178.38 and 6,276

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Solution

The fourth proportional to 18,126.12, 27,178.38 and 6,276 is: 9,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.12 : 27,178.38 = 6,276 : x
  2. Step 2: Convert to fraction form
    18,126.12/27,178.38 = 6,276/x
  3. Step 3: Cross multiply
    18,126.12x = 27,178.38 × 6,276
  4. Step 4: Simplify right side
    18,126.12x = 170,571,512.88
  5. Step 5: Solve for x
    x = 170,571,512.88/18,126.12
  6. Step 6: Final answer
    x = 9,410.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.