Home / 11,491.64-17,223.09-4,910.12

Finding the Fourth Proportional to 11,491.64, 17,223.09 and 4,910.12

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Solution

The fourth proportional to 11,491.64, 17,223.09 and 4,910.12 is: 7,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.64 : 17,223.09 = 4,910.12 : x
  2. Step 2: Convert to fraction form
    11,491.64/17,223.09 = 4,910.12/x
  3. Step 3: Cross multiply
    11,491.64x = 17,223.09 × 4,910.12
  4. Step 4: Simplify right side
    11,491.64x = 84,567,438.67
  5. Step 5: Solve for x
    x = 84,567,438.67/11,491.64
  6. Step 6: Final answer
    x = 7,359.04

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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.