Home / 12,624.40-18,936.60-5,227.84

Finding the Fourth Proportional to 12,624.40, 18,936.60 and 5,227.84

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Solution

The fourth proportional to 12,624.40, 18,936.60 and 5,227.84 is: 7,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.40 : 18,936.60 = 5,227.84 : x
  2. Step 2: Convert to fraction form
    12,624.40/18,936.60 = 5,227.84/x
  3. Step 3: Cross multiply
    12,624.40x = 18,936.60 × 5,227.84
  4. Step 4: Simplify right side
    12,624.40x = 98,997,514.94
  5. Step 5: Solve for x
    x = 98,997,514.94/12,624.40
  6. Step 6: Final answer
    x = 7,841.76

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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.