Home / 20,163.18-27,824.58-11,210.88

Finding the Fourth Proportional to 20,163.18, 27,824.58 and 11,210.88

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Solution

The fourth proportional to 20,163.18, 27,824.58 and 11,210.88 is: 15,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.18 : 27,824.58 = 11,210.88 : x
  2. Step 2: Convert to fraction form
    20,163.18/27,824.58 = 11,210.88/x
  3. Step 3: Cross multiply
    20,163.18x = 27,824.58 × 11,210.88
  4. Step 4: Simplify right side
    20,163.18x = 311,938,027.43
  5. Step 5: Solve for x
    x = 311,938,027.43/20,163.18
  6. Step 6: Final answer
    x = 15,470.68

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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.