Home / 20,163.69-27,825.54-11,210.04

Finding the Fourth Proportional to 20,163.69, 27,825.54 and 11,210.04

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Solution

The fourth proportional to 20,163.69, 27,825.54 and 11,210.04 is: 15,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.69 : 27,825.54 = 11,210.04 : x
  2. Step 2: Convert to fraction form
    20,163.69/27,825.54 = 11,210.04/x
  3. Step 3: Cross multiply
    20,163.69x = 27,825.54 × 11,210.04
  4. Step 4: Simplify right side
    20,163.69x = 311,925,416.42
  5. Step 5: Solve for x
    x = 311,925,416.42/20,163.69
  6. Step 6: Final answer
    x = 15,469.66

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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.