Home / 12,462.92-18,701.37-6,619.38

Finding the Fourth Proportional to 12,462.92, 18,701.37 and 6,619.38

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Solution

The fourth proportional to 12,462.92, 18,701.37 and 6,619.38 is: 9,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.92 : 18,701.37 = 6,619.38 : x
  2. Step 2: Convert to fraction form
    12,462.92/18,701.37 = 6,619.38/x
  3. Step 3: Cross multiply
    12,462.92x = 18,701.37 × 6,619.38
  4. Step 4: Simplify right side
    12,462.92x = 123,791,474.55
  5. Step 5: Solve for x
    x = 123,791,474.55/12,462.92
  6. Step 6: Final answer
    x = 9,932.79

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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.