Home / 20,296.46-30,449.30-9,206.32

Finding the Fourth Proportional to 20,296.46, 30,449.30 and 9,206.32

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Solution

The fourth proportional to 20,296.46, 30,449.30 and 9,206.32 is: 13,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.46 : 30,449.30 = 9,206.32 : x
  2. Step 2: Convert to fraction form
    20,296.46/30,449.30 = 9,206.32/x
  3. Step 3: Cross multiply
    20,296.46x = 30,449.30 × 9,206.32
  4. Step 4: Simplify right side
    20,296.46x = 280,326,067.96
  5. Step 5: Solve for x
    x = 280,326,067.96/20,296.46
  6. Step 6: Final answer
    x = 13,811.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.