Home / 20,499.03-28,288.71-11,546.64

Finding the Fourth Proportional to 20,499.03, 28,288.71 and 11,546.64

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Solution

The fourth proportional to 20,499.03, 28,288.71 and 11,546.64 is: 15,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,499.03 : 28,288.71 = 11,546.64 : x
  2. Step 2: Convert to fraction form
    20,499.03/28,288.71 = 11,546.64/x
  3. Step 3: Cross multiply
    20,499.03x = 28,288.71 × 11,546.64
  4. Step 4: Simplify right side
    20,499.03x = 326,639,550.43
  5. Step 5: Solve for x
    x = 326,639,550.43/20,499.03
  6. Step 6: Final answer
    x = 15,934.39

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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.