Home / 12,473.45-18,711.19-3,708.38

Finding the Fourth Proportional to 12,473.45, 18,711.19 and 3,708.38

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Solution

The fourth proportional to 12,473.45, 18,711.19 and 3,708.38 is: 5,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.45 : 18,711.19 = 3,708.38 : x
  2. Step 2: Convert to fraction form
    12,473.45/18,711.19 = 3,708.38/x
  3. Step 3: Cross multiply
    12,473.45x = 18,711.19 × 3,708.38
  4. Step 4: Simplify right side
    12,473.45x = 69,388,113.85
  5. Step 5: Solve for x
    x = 69,388,113.85/12,473.45
  6. Step 6: Final answer
    x = 5,562.86

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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.