Home / 12,858.05-19,288.60-4,958.73

Finding the Fourth Proportional to 12,858.05, 19,288.60 and 4,958.73

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Solution

The fourth proportional to 12,858.05, 19,288.60 and 4,958.73 is: 7,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.05 : 19,288.60 = 4,958.73 : x
  2. Step 2: Convert to fraction form
    12,858.05/19,288.60 = 4,958.73/x
  3. Step 3: Cross multiply
    12,858.05x = 19,288.60 × 4,958.73
  4. Step 4: Simplify right side
    12,858.05x = 95,646,947.08
  5. Step 5: Solve for x
    x = 95,646,947.08/12,858.05
  6. Step 6: Final answer
    x = 7,438.68

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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.