Home / 11,325.38-16,984.61-5,399.15

Finding the Fourth Proportional to 11,325.38, 16,984.61 and 5,399.15

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Solution

The fourth proportional to 11,325.38, 16,984.61 and 5,399.15 is: 8,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.38 : 16,984.61 = 5,399.15 : x
  2. Step 2: Convert to fraction form
    11,325.38/16,984.61 = 5,399.15/x
  3. Step 3: Cross multiply
    11,325.38x = 16,984.61 × 5,399.15
  4. Step 4: Simplify right side
    11,325.38x = 91,702,385.66
  5. Step 5: Solve for x
    x = 91,702,385.66/11,325.38
  6. Step 6: Final answer
    x = 8,097.07

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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.