Home / 11,932.64-17,899.76-3,612

Finding the Fourth Proportional to 11,932.64, 17,899.76 and 3,612

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Solution

The fourth proportional to 11,932.64, 17,899.76 and 3,612 is: 5,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.64 : 17,899.76 = 3,612 : x
  2. Step 2: Convert to fraction form
    11,932.64/17,899.76 = 3,612/x
  3. Step 3: Cross multiply
    11,932.64x = 17,899.76 × 3,612
  4. Step 4: Simplify right side
    11,932.64x = 64,653,933.12
  5. Step 5: Solve for x
    x = 64,653,933.12/11,932.64
  6. Step 6: Final answer
    x = 5,418.24

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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.