Home / 12,875.44-19,309.92-4,105.84

Finding the Fourth Proportional to 12,875.44, 19,309.92 and 4,105.84

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Solution

The fourth proportional to 12,875.44, 19,309.92 and 4,105.84 is: 6,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.44 : 19,309.92 = 4,105.84 : x
  2. Step 2: Convert to fraction form
    12,875.44/19,309.92 = 4,105.84/x
  3. Step 3: Cross multiply
    12,875.44x = 19,309.92 × 4,105.84
  4. Step 4: Simplify right side
    12,875.44x = 79,283,441.93
  5. Step 5: Solve for x
    x = 79,283,441.93/12,875.44
  6. Step 6: Final answer
    x = 6,157.73

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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.