Home / 11,544.20-17,321.40-5,617.80

Finding the Fourth Proportional to 11,544.20, 17,321.40 and 5,617.80

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Solution

The fourth proportional to 11,544.20, 17,321.40 and 5,617.80 is: 8,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.20 : 17,321.40 = 5,617.80 : x
  2. Step 2: Convert to fraction form
    11,544.20/17,321.40 = 5,617.80/x
  3. Step 3: Cross multiply
    11,544.20x = 17,321.40 × 5,617.80
  4. Step 4: Simplify right side
    11,544.20x = 97,308,160.92
  5. Step 5: Solve for x
    x = 97,308,160.92/11,544.20
  6. Step 6: Final answer
    x = 8,429.18

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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.