Home / 11,313.26-16,961.08-5,387.10

Finding the Fourth Proportional to 11,313.26, 16,961.08 and 5,387.10

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Solution

The fourth proportional to 11,313.26, 16,961.08 and 5,387.10 is: 8,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.26 : 16,961.08 = 5,387.10 : x
  2. Step 2: Convert to fraction form
    11,313.26/16,961.08 = 5,387.10/x
  3. Step 3: Cross multiply
    11,313.26x = 16,961.08 × 5,387.10
  4. Step 4: Simplify right side
    11,313.26x = 91,371,034.07
  5. Step 5: Solve for x
    x = 91,371,034.07/11,313.26
  6. Step 6: Final answer
    x = 8,076.45

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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.