Home / 12,228.96-18,354.24-8,057.28

Finding the Fourth Proportional to 12,228.96, 18,354.24 and 8,057.28

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Solution

The fourth proportional to 12,228.96, 18,354.24 and 8,057.28 is: 12,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.96 : 18,354.24 = 8,057.28 : x
  2. Step 2: Convert to fraction form
    12,228.96/18,354.24 = 8,057.28/x
  3. Step 3: Cross multiply
    12,228.96x = 18,354.24 × 8,057.28
  4. Step 4: Simplify right side
    12,228.96x = 147,885,250.87
  5. Step 5: Solve for x
    x = 147,885,250.87/12,228.96
  6. Step 6: Final answer
    x = 12,093.04

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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.