Home / 11,101.91-15,318.81-6,563.96

Finding the Fourth Proportional to 11,101.91, 15,318.81 and 6,563.96

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Solution

The fourth proportional to 11,101.91, 15,318.81 and 6,563.96 is: 9,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.91 : 15,318.81 = 6,563.96 : x
  2. Step 2: Convert to fraction form
    11,101.91/15,318.81 = 6,563.96/x
  3. Step 3: Cross multiply
    11,101.91x = 15,318.81 × 6,563.96
  4. Step 4: Simplify right side
    11,101.91x = 100,551,979.49
  5. Step 5: Solve for x
    x = 100,551,979.49/11,101.91
  6. Step 6: Final answer
    x = 9,057.18

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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.