Home / 21,847.39-32,803.88-12,497.96

Finding the Fourth Proportional to 21,847.39, 32,803.88 and 12,497.96

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Solution

The fourth proportional to 21,847.39, 32,803.88 and 12,497.96 is: 18,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.39 : 32,803.88 = 12,497.96 : x
  2. Step 2: Convert to fraction form
    21,847.39/32,803.88 = 12,497.96/x
  3. Step 3: Cross multiply
    21,847.39x = 32,803.88 × 12,497.96
  4. Step 4: Simplify right side
    21,847.39x = 409,981,693.34
  5. Step 5: Solve for x
    x = 409,981,693.34/21,847.39
  6. Step 6: Final answer
    x = 18,765.71

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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.