Home / 11,617.62-17,426.12-4,222.21

Finding the Fourth Proportional to 11,617.62, 17,426.12 and 4,222.21

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Solution

The fourth proportional to 11,617.62, 17,426.12 and 4,222.21 is: 6,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.62 : 17,426.12 = 4,222.21 : x
  2. Step 2: Convert to fraction form
    11,617.62/17,426.12 = 4,222.21/x
  3. Step 3: Cross multiply
    11,617.62x = 17,426.12 × 4,222.21
  4. Step 4: Simplify right side
    11,617.62x = 73,576,738.13
  5. Step 5: Solve for x
    x = 73,576,738.13/11,617.62
  6. Step 6: Final answer
    x = 6,333.20

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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.