Home / 12,546.48-18,819.26-4,226.28

Finding the Fourth Proportional to 12,546.48, 18,819.26 and 4,226.28

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Solution

The fourth proportional to 12,546.48, 18,819.26 and 4,226.28 is: 6,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.48 : 18,819.26 = 4,226.28 : x
  2. Step 2: Convert to fraction form
    12,546.48/18,819.26 = 4,226.28/x
  3. Step 3: Cross multiply
    12,546.48x = 18,819.26 × 4,226.28
  4. Step 4: Simplify right side
    12,546.48x = 79,535,462.15
  5. Step 5: Solve for x
    x = 79,535,462.15/12,546.48
  6. Step 6: Final answer
    x = 6,339.27

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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.