Home / 20,134.43-27,785.52-11,750.93

Finding the Fourth Proportional to 20,134.43, 27,785.52 and 11,750.93

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Solution

The fourth proportional to 20,134.43, 27,785.52 and 11,750.93 is: 16,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.43 : 27,785.52 = 11,750.93 : x
  2. Step 2: Convert to fraction form
    20,134.43/27,785.52 = 11,750.93/x
  3. Step 3: Cross multiply
    20,134.43x = 27,785.52 × 11,750.93
  4. Step 4: Simplify right side
    20,134.43x = 326,505,561.61
  5. Step 5: Solve for x
    x = 326,505,561.61/20,134.43
  6. Step 6: Final answer
    x = 16,216.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.