Home / 20,134.06-27,784.99-11,750.56

Finding the Fourth Proportional to 20,134.06, 27,784.99 and 11,750.56

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Solution

The fourth proportional to 20,134.06, 27,784.99 and 11,750.56 is: 16,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.06 : 27,784.99 = 11,750.56 : x
  2. Step 2: Convert to fraction form
    20,134.06/27,784.99 = 11,750.56/x
  3. Step 3: Cross multiply
    20,134.06x = 27,784.99 × 11,750.56
  4. Step 4: Simplify right side
    20,134.06x = 326,489,137.32
  5. Step 5: Solve for x
    x = 326,489,137.32/20,134.06
  6. Step 6: Final answer
    x = 16,215.76

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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.