Home / 11,707.91-17,563.61-4,311.80

Finding the Fourth Proportional to 11,707.91, 17,563.61 and 4,311.80

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Solution

The fourth proportional to 11,707.91, 17,563.61 and 4,311.80 is: 6,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.91 : 17,563.61 = 4,311.80 : x
  2. Step 2: Convert to fraction form
    11,707.91/17,563.61 = 4,311.80/x
  3. Step 3: Cross multiply
    11,707.91x = 17,563.61 × 4,311.80
  4. Step 4: Simplify right side
    11,707.91x = 75,730,773.60
  5. Step 5: Solve for x
    x = 75,730,773.60/11,707.91
  6. Step 6: Final answer
    x = 6,468.34

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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.