Home / 10,182.50-15,273.60-2,786.96

Finding the Fourth Proportional to 10,182.50, 15,273.60 and 2,786.96

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Solution

The fourth proportional to 10,182.50, 15,273.60 and 2,786.96 is: 4,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.50 : 15,273.60 = 2,786.96 : x
  2. Step 2: Convert to fraction form
    10,182.50/15,273.60 = 2,786.96/x
  3. Step 3: Cross multiply
    10,182.50x = 15,273.60 × 2,786.96
  4. Step 4: Simplify right side
    10,182.50x = 42,566,912.26
  5. Step 5: Solve for x
    x = 42,566,912.26/10,182.50
  6. Step 6: Final answer
    x = 4,180.40

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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.