Home / 18,630.24-27,945.06-6,784.02

Finding the Fourth Proportional to 18,630.24, 27,945.06 and 6,784.02

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Solution

The fourth proportional to 18,630.24, 27,945.06 and 6,784.02 is: 10,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.24 : 27,945.06 = 6,784.02 : x
  2. Step 2: Convert to fraction form
    18,630.24/27,945.06 = 6,784.02/x
  3. Step 3: Cross multiply
    18,630.24x = 27,945.06 × 6,784.02
  4. Step 4: Simplify right side
    18,630.24x = 189,579,845.94
  5. Step 5: Solve for x
    x = 189,579,845.94/18,630.24
  6. Step 6: Final answer
    x = 10,175.92

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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.