Home / 20,134.52-27,785.88-11,750.96

Finding the Fourth Proportional to 20,134.52, 27,785.88 and 11,750.96

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Solution

The fourth proportional to 20,134.52, 27,785.88 and 11,750.96 is: 16,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.52 : 27,785.88 = 11,750.96 : x
  2. Step 2: Convert to fraction form
    20,134.52/27,785.88 = 11,750.96/x
  3. Step 3: Cross multiply
    20,134.52x = 27,785.88 × 11,750.96
  4. Step 4: Simplify right side
    20,134.52x = 326,510,764.44
  5. Step 5: Solve for x
    x = 326,510,764.44/20,134.52
  6. Step 6: Final answer
    x = 16,216.47

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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.