Home / 12,628.58-18,942.96-5,606.70

Finding the Fourth Proportional to 12,628.58, 18,942.96 and 5,606.70

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Solution

The fourth proportional to 12,628.58, 18,942.96 and 5,606.70 is: 8,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.58 : 18,942.96 = 5,606.70 : x
  2. Step 2: Convert to fraction form
    12,628.58/18,942.96 = 5,606.70/x
  3. Step 3: Cross multiply
    12,628.58x = 18,942.96 × 5,606.70
  4. Step 4: Simplify right side
    12,628.58x = 106,207,493.83
  5. Step 5: Solve for x
    x = 106,207,493.83/12,628.58
  6. Step 6: Final answer
    x = 8,410.09

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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.