Home / 20,252.37-27,948.18-11,299.88

Finding the Fourth Proportional to 20,252.37, 27,948.18 and 11,299.88

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Solution

The fourth proportional to 20,252.37, 27,948.18 and 11,299.88 is: 15,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.37 : 27,948.18 = 11,299.88 : x
  2. Step 2: Convert to fraction form
    20,252.37/27,948.18 = 11,299.88/x
  3. Step 3: Cross multiply
    20,252.37x = 27,948.18 × 11,299.88
  4. Step 4: Simplify right side
    20,252.37x = 315,811,080.22
  5. Step 5: Solve for x
    x = 315,811,080.22/20,252.37
  6. Step 6: Final answer
    x = 15,593.78

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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.