Home / 10,182.26-15,273.40-2,786.78

Finding the Fourth Proportional to 10,182.26, 15,273.40 and 2,786.78

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Solution

The fourth proportional to 10,182.26, 15,273.40 and 2,786.78 is: 4,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.26 : 15,273.40 = 2,786.78 : x
  2. Step 2: Convert to fraction form
    10,182.26/15,273.40 = 2,786.78/x
  3. Step 3: Cross multiply
    10,182.26x = 15,273.40 × 2,786.78
  4. Step 4: Simplify right side
    10,182.26x = 42,563,598.69
  5. Step 5: Solve for x
    x = 42,563,598.69/10,182.26
  6. Step 6: Final answer
    x = 4,180.17

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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.