Home / 20,184.68-27,853.71-11,231.75

Finding the Fourth Proportional to 20,184.68, 27,853.71 and 11,231.75

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Solution

The fourth proportional to 20,184.68, 27,853.71 and 11,231.75 is: 15,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.68 : 27,853.71 = 11,231.75 : x
  2. Step 2: Convert to fraction form
    20,184.68/27,853.71 = 11,231.75/x
  3. Step 3: Cross multiply
    20,184.68x = 27,853.71 × 11,231.75
  4. Step 4: Simplify right side
    20,184.68x = 312,845,768.02
  5. Step 5: Solve for x
    x = 312,845,768.02/20,184.68
  6. Step 6: Final answer
    x = 15,499.17

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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.