Home / 11,619.03-17,428.38-2,854.02

Finding the Fourth Proportional to 11,619.03, 17,428.38 and 2,854.02

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Solution

The fourth proportional to 11,619.03, 17,428.38 and 2,854.02 is: 4,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.03 : 17,428.38 = 2,854.02 : x
  2. Step 2: Convert to fraction form
    11,619.03/17,428.38 = 2,854.02/x
  3. Step 3: Cross multiply
    11,619.03x = 17,428.38 × 2,854.02
  4. Step 4: Simplify right side
    11,619.03x = 49,740,945.09
  5. Step 5: Solve for x
    x = 49,740,945.09/11,619.03
  6. Step 6: Final answer
    x = 4,280.99

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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.