Home / 20,134.90-27,785.37-11,635.66

Finding the Fourth Proportional to 20,134.90, 27,785.37 and 11,635.66

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Solution

The fourth proportional to 20,134.90, 27,785.37 and 11,635.66 is: 16,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.90 : 27,785.37 = 11,635.66 : x
  2. Step 2: Convert to fraction form
    20,134.90/27,785.37 = 11,635.66/x
  3. Step 3: Cross multiply
    20,134.90x = 27,785.37 × 11,635.66
  4. Step 4: Simplify right side
    20,134.90x = 323,301,118.29
  5. Step 5: Solve for x
    x = 323,301,118.29/20,134.90
  6. Step 6: Final answer
    x = 16,056.75

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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.