Home / 10,147.38-13,998.62-6,165.82

Finding the Fourth Proportional to 10,147.38, 13,998.62 and 6,165.82

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Solution

The fourth proportional to 10,147.38, 13,998.62 and 6,165.82 is: 8,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.38 : 13,998.62 = 6,165.82 : x
  2. Step 2: Convert to fraction form
    10,147.38/13,998.62 = 6,165.82/x
  3. Step 3: Cross multiply
    10,147.38x = 13,998.62 × 6,165.82
  4. Step 4: Simplify right side
    10,147.38x = 86,313,004.08
  5. Step 5: Solve for x
    x = 86,313,004.08/10,147.38
  6. Step 6: Final answer
    x = 8,505.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.