Home / 11,932.70-17,887.74-5,689.40

Finding the Fourth Proportional to 11,932.70, 17,887.74 and 5,689.40

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Solution

The fourth proportional to 11,932.70, 17,887.74 and 5,689.40 is: 8,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.70 : 17,887.74 = 5,689.40 : x
  2. Step 2: Convert to fraction form
    11,932.70/17,887.74 = 5,689.40/x
  3. Step 3: Cross multiply
    11,932.70x = 17,887.74 × 5,689.40
  4. Step 4: Simplify right side
    11,932.70x = 101,770,507.96
  5. Step 5: Solve for x
    x = 101,770,507.96/11,932.70
  6. Step 6: Final answer
    x = 8,528.71

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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.