Home / 18,856.16-28,276.94-6,372.84

Finding the Fourth Proportional to 18,856.16, 28,276.94 and 6,372.84

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Solution

The fourth proportional to 18,856.16, 28,276.94 and 6,372.84 is: 9,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.16 : 28,276.94 = 6,372.84 : x
  2. Step 2: Convert to fraction form
    18,856.16/28,276.94 = 6,372.84/x
  3. Step 3: Cross multiply
    18,856.16x = 28,276.94 × 6,372.84
  4. Step 4: Simplify right side
    18,856.16x = 180,204,414.31
  5. Step 5: Solve for x
    x = 180,204,414.31/18,856.16
  6. Step 6: Final answer
    x = 9,556.79

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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.