Home / 20,227.12-27,914.29-11,274.62

Finding the Fourth Proportional to 20,227.12, 27,914.29 and 11,274.62

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Solution

The fourth proportional to 20,227.12, 27,914.29 and 11,274.62 is: 15,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.12 : 27,914.29 = 11,274.62 : x
  2. Step 2: Convert to fraction form
    20,227.12/27,914.29 = 11,274.62/x
  3. Step 3: Cross multiply
    20,227.12x = 27,914.29 × 11,274.62
  4. Step 4: Simplify right side
    20,227.12x = 314,723,012.32
  5. Step 5: Solve for x
    x = 314,723,012.32/20,227.12
  6. Step 6: Final answer
    x = 15,559.46

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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.