Home / 12,472.26-18,708.40-3,238.26

Finding the Fourth Proportional to 12,472.26, 18,708.40 and 3,238.26

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Solution

The fourth proportional to 12,472.26, 18,708.40 and 3,238.26 is: 4,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.26 : 18,708.40 = 3,238.26 : x
  2. Step 2: Convert to fraction form
    12,472.26/18,708.40 = 3,238.26/x
  3. Step 3: Cross multiply
    12,472.26x = 18,708.40 × 3,238.26
  4. Step 4: Simplify right side
    12,472.26x = 60,582,663.38
  5. Step 5: Solve for x
    x = 60,582,663.38/12,472.26
  6. Step 6: Final answer
    x = 4,857.39

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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.