Home / 18,313.41-27,450.96-8,459.15

Finding the Fourth Proportional to 18,313.41, 27,450.96 and 8,459.15

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Solution

The fourth proportional to 18,313.41, 27,450.96 and 8,459.15 is: 12,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.41 : 27,450.96 = 8,459.15 : x
  2. Step 2: Convert to fraction form
    18,313.41/27,450.96 = 8,459.15/x
  3. Step 3: Cross multiply
    18,313.41x = 27,450.96 × 8,459.15
  4. Step 4: Simplify right side
    18,313.41x = 232,211,651.03
  5. Step 5: Solve for x
    x = 232,211,651.03/18,313.41
  6. Step 6: Final answer
    x = 12,679.87

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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.