Home / 11,932.10-17,898.34-3,612.20

Finding the Fourth Proportional to 11,932.10, 17,898.34 and 3,612.20

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Solution

The fourth proportional to 11,932.10, 17,898.34 and 3,612.20 is: 5,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.10 : 17,898.34 = 3,612.20 : x
  2. Step 2: Convert to fraction form
    11,932.10/17,898.34 = 3,612.20/x
  3. Step 3: Cross multiply
    11,932.10x = 17,898.34 × 3,612.20
  4. Step 4: Simplify right side
    11,932.10x = 64,652,383.75
  5. Step 5: Solve for x
    x = 64,652,383.75/11,932.10
  6. Step 6: Final answer
    x = 5,418.36

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1.5x scale

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.