Home / 11,617.26-17,429.55-4,219.75

Finding the Fourth Proportional to 11,617.26, 17,429.55 and 4,219.75

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Solution

The fourth proportional to 11,617.26, 17,429.55 and 4,219.75 is: 6,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.26 : 17,429.55 = 4,219.75 : x
  2. Step 2: Convert to fraction form
    11,617.26/17,429.55 = 4,219.75/x
  3. Step 3: Cross multiply
    11,617.26x = 17,429.55 × 4,219.75
  4. Step 4: Simplify right side
    11,617.26x = 73,548,343.61
  5. Step 5: Solve for x
    x = 73,548,343.61/11,617.26
  6. Step 6: Final answer
    x = 6,330.95

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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.