Home / 18,982.76-28,469.58-6,502.28

Finding the Fourth Proportional to 18,982.76, 28,469.58 and 6,502.28

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Solution

The fourth proportional to 18,982.76, 28,469.58 and 6,502.28 is: 9,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.76 : 28,469.58 = 6,502.28 : x
  2. Step 2: Convert to fraction form
    18,982.76/28,469.58 = 6,502.28/x
  3. Step 3: Cross multiply
    18,982.76x = 28,469.58 × 6,502.28
  4. Step 4: Simplify right side
    18,982.76x = 185,117,013.91
  5. Step 5: Solve for x
    x = 185,117,013.91/18,982.76
  6. Step 6: Final answer
    x = 9,751.85

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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.