Home / 38,108.64-57,171.46-11,813.60

Finding the Fourth Proportional to 38,108.64, 57,171.46 and 11,813.60

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Solution

The fourth proportional to 38,108.64, 57,171.46 and 11,813.60 is: 17,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.64 : 57,171.46 = 11,813.60 : x
  2. Step 2: Convert to fraction form
    38,108.64/57,171.46 = 11,813.60/x
  3. Step 3: Cross multiply
    38,108.64x = 57,171.46 × 11,813.60
  4. Step 4: Simplify right side
    38,108.64x = 675,400,759.86
  5. Step 5: Solve for x
    x = 675,400,759.86/38,108.64
  6. Step 6: Final answer
    x = 17,723.03

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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.