Home / 20,498.96-28,288.27-11,546.57

Finding the Fourth Proportional to 20,498.96, 28,288.27 and 11,546.57

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Solution

The fourth proportional to 20,498.96, 28,288.27 and 11,546.57 is: 15,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.96 : 28,288.27 = 11,546.57 : x
  2. Step 2: Convert to fraction form
    20,498.96/28,288.27 = 11,546.57/x
  3. Step 3: Cross multiply
    20,498.96x = 28,288.27 × 11,546.57
  4. Step 4: Simplify right side
    20,498.96x = 326,632,489.73
  5. Step 5: Solve for x
    x = 326,632,489.73/20,498.96
  6. Step 6: Final answer
    x = 15,934.10

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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.