Home / 12,624.44-18,936.18-5,227

Finding the Fourth Proportional to 12,624.44, 18,936.18 and 5,227

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Solution

The fourth proportional to 12,624.44, 18,936.18 and 5,227 is: 7,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.44 : 18,936.18 = 5,227 : x
  2. Step 2: Convert to fraction form
    12,624.44/18,936.18 = 5,227/x
  3. Step 3: Cross multiply
    12,624.44x = 18,936.18 × 5,227
  4. Step 4: Simplify right side
    12,624.44x = 98,979,412.86
  5. Step 5: Solve for x
    x = 98,979,412.86/12,624.44
  6. Step 6: Final answer
    x = 7,840.30

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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.