Home / 11,520.28-17,281.50-6,932.44

Finding the Fourth Proportional to 11,520.28, 17,281.50 and 6,932.44

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Solution

The fourth proportional to 11,520.28, 17,281.50 and 6,932.44 is: 10,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.28 : 17,281.50 = 6,932.44 : x
  2. Step 2: Convert to fraction form
    11,520.28/17,281.50 = 6,932.44/x
  3. Step 3: Cross multiply
    11,520.28x = 17,281.50 × 6,932.44
  4. Step 4: Simplify right side
    11,520.28x = 119,802,961.86
  5. Step 5: Solve for x
    x = 119,802,961.86/11,520.28
  6. Step 6: Final answer
    x = 10,399.31

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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.