Home / 21,651.46-32,479.31-8,998.60

Finding the Fourth Proportional to 21,651.46, 32,479.31 and 8,998.60

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Solution

The fourth proportional to 21,651.46, 32,479.31 and 8,998.60 is: 13,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.46 : 32,479.31 = 8,998.60 : x
  2. Step 2: Convert to fraction form
    21,651.46/32,479.31 = 8,998.60/x
  3. Step 3: Cross multiply
    21,651.46x = 32,479.31 × 8,998.60
  4. Step 4: Simplify right side
    21,651.46x = 292,268,318.97
  5. Step 5: Solve for x
    x = 292,268,318.97/21,651.46
  6. Step 6: Final answer
    x = 13,498.78

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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.