Home / 12,544.38-18,819.60-6,288.84

Finding the Fourth Proportional to 12,544.38, 18,819.60 and 6,288.84

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Solution

The fourth proportional to 12,544.38, 18,819.60 and 6,288.84 is: 9,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.38 : 18,819.60 = 6,288.84 : x
  2. Step 2: Convert to fraction form
    12,544.38/18,819.60 = 6,288.84/x
  3. Step 3: Cross multiply
    12,544.38x = 18,819.60 × 6,288.84
  4. Step 4: Simplify right side
    12,544.38x = 118,353,453.26
  5. Step 5: Solve for x
    x = 118,353,453.26/12,544.38
  6. Step 6: Final answer
    x = 9,434.78

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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.