Home / 20,398.44-30,532.86-11,025.12

Finding the Fourth Proportional to 20,398.44, 30,532.86 and 11,025.12

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Solution

The fourth proportional to 20,398.44, 30,532.86 and 11,025.12 is: 16,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398.44 : 30,532.86 = 11,025.12 : x
  2. Step 2: Convert to fraction form
    20,398.44/30,532.86 = 11,025.12/x
  3. Step 3: Cross multiply
    20,398.44x = 30,532.86 × 11,025.12
  4. Step 4: Simplify right side
    20,398.44x = 336,628,445.44
  5. Step 5: Solve for x
    x = 336,628,445.44/20,398.44
  6. Step 6: Final answer
    x = 16,502.66

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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.