Home / 18,175.12-27,218.93-12,313.96

Finding the Fourth Proportional to 18,175.12, 27,218.93 and 12,313.96

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Solution

The fourth proportional to 18,175.12, 27,218.93 and 12,313.96 is: 18,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.12 : 27,218.93 = 12,313.96 : x
  2. Step 2: Convert to fraction form
    18,175.12/27,218.93 = 12,313.96/x
  3. Step 3: Cross multiply
    18,175.12x = 27,218.93 × 12,313.96
  4. Step 4: Simplify right side
    18,175.12x = 335,172,617.60
  5. Step 5: Solve for x
    x = 335,172,617.60/18,175.12
  6. Step 6: Final answer
    x = 18,441.29

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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.