Home / 18,944.70-28,427.85-7,266.30

Finding the Fourth Proportional to 18,944.70, 28,427.85 and 7,266.30

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Solution

The fourth proportional to 18,944.70, 28,427.85 and 7,266.30 is: 10,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.70 : 28,427.85 = 7,266.30 : x
  2. Step 2: Convert to fraction form
    18,944.70/28,427.85 = 7,266.30/x
  3. Step 3: Cross multiply
    18,944.70x = 28,427.85 × 7,266.30
  4. Step 4: Simplify right side
    18,944.70x = 206,565,286.46
  5. Step 5: Solve for x
    x = 206,565,286.46/18,944.70
  6. Step 6: Final answer
    x = 10,903.59

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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.