Home / 18,182.46-27,221.85-12,330.30

Finding the Fourth Proportional to 18,182.46, 27,221.85 and 12,330.30

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Solution

The fourth proportional to 18,182.46, 27,221.85 and 12,330.30 is: 18,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.46 : 27,221.85 = 12,330.30 : x
  2. Step 2: Convert to fraction form
    18,182.46/27,221.85 = 12,330.30/x
  3. Step 3: Cross multiply
    18,182.46x = 27,221.85 × 12,330.30
  4. Step 4: Simplify right side
    18,182.46x = 335,653,577.06
  5. Step 5: Solve for x
    x = 335,653,577.06/18,182.46
  6. Step 6: Final answer
    x = 18,460.30

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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.