Home / 20,185.07-27,854.60-11,232.27

Finding the Fourth Proportional to 20,185.07, 27,854.60 and 11,232.27

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Solution

The fourth proportional to 20,185.07, 27,854.60 and 11,232.27 is: 15,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.07 : 27,854.60 = 11,232.27 : x
  2. Step 2: Convert to fraction form
    20,185.07/27,854.60 = 11,232.27/x
  3. Step 3: Cross multiply
    20,185.07x = 27,854.60 × 11,232.27
  4. Step 4: Simplify right side
    20,185.07x = 312,870,331.78
  5. Step 5: Solve for x
    x = 312,870,331.78/20,185.07
  6. Step 6: Final answer
    x = 15,500.09

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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.