Home / 18,082.40-27,123.61-8,224.50

Finding the Fourth Proportional to 18,082.40, 27,123.61 and 8,224.50

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Solution

The fourth proportional to 18,082.40, 27,123.61 and 8,224.50 is: 12,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.40 : 27,123.61 = 8,224.50 : x
  2. Step 2: Convert to fraction form
    18,082.40/27,123.61 = 8,224.50/x
  3. Step 3: Cross multiply
    18,082.40x = 27,123.61 × 8,224.50
  4. Step 4: Simplify right side
    18,082.40x = 223,078,112.59
  5. Step 5: Solve for x
    x = 223,078,112.59/18,082.40
  6. Step 6: Final answer
    x = 12,336.75

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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.