Home / 18,447.46-27,670.98-8,581.26

Finding the Fourth Proportional to 18,447.46, 27,670.98 and 8,581.26

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Solution

The fourth proportional to 18,447.46, 27,670.98 and 8,581.26 is: 12,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.46 : 27,670.98 = 8,581.26 : x
  2. Step 2: Convert to fraction form
    18,447.46/27,670.98 = 8,581.26/x
  3. Step 3: Cross multiply
    18,447.46x = 27,670.98 × 8,581.26
  4. Step 4: Simplify right side
    18,447.46x = 237,451,873.83
  5. Step 5: Solve for x
    x = 237,451,873.83/18,447.46
  6. Step 6: Final answer
    x = 12,871.79

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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.