Home / 18,235.34-27,334.38-8,381.96

Finding the Fourth Proportional to 18,235.34, 27,334.38 and 8,381.96

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Solution

The fourth proportional to 18,235.34, 27,334.38 and 8,381.96 is: 12,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.34 : 27,334.38 = 8,381.96 : x
  2. Step 2: Convert to fraction form
    18,235.34/27,334.38 = 8,381.96/x
  3. Step 3: Cross multiply
    18,235.34x = 27,334.38 × 8,381.96
  4. Step 4: Simplify right side
    18,235.34x = 229,115,679.78
  5. Step 5: Solve for x
    x = 229,115,679.78/18,235.34
  6. Step 6: Final answer
    x = 12,564.38

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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.