Home / 11,619.28-17,428.44-2,854

Finding the Fourth Proportional to 11,619.28, 17,428.44 and 2,854

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Solution

The fourth proportional to 11,619.28, 17,428.44 and 2,854 is: 4,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.28 : 17,428.44 = 2,854 : x
  2. Step 2: Convert to fraction form
    11,619.28/17,428.44 = 2,854/x
  3. Step 3: Cross multiply
    11,619.28x = 17,428.44 × 2,854
  4. Step 4: Simplify right side
    11,619.28x = 49,740,767.76
  5. Step 5: Solve for x
    x = 49,740,767.76/11,619.28
  6. Step 6: Final answer
    x = 4,280.88

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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.