Home / 12,955.24-19,433.46-4,190.83

Finding the Fourth Proportional to 12,955.24, 19,433.46 and 4,190.83

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Solution

The fourth proportional to 12,955.24, 19,433.46 and 4,190.83 is: 6,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.24 : 19,433.46 = 4,190.83 : x
  2. Step 2: Convert to fraction form
    12,955.24/19,433.46 = 4,190.83/x
  3. Step 3: Cross multiply
    12,955.24x = 19,433.46 × 4,190.83
  4. Step 4: Simplify right side
    12,955.24x = 81,442,375.76
  5. Step 5: Solve for x
    x = 81,442,375.76/12,955.24
  6. Step 6: Final answer
    x = 6,286.45

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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.