Home / 13,238.27-19,857.26-3,377.45

Finding the Fourth Proportional to 13,238.27, 19,857.26 and 3,377.45

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Solution

The fourth proportional to 13,238.27, 19,857.26 and 3,377.45 is: 5,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.27 : 19,857.26 = 3,377.45 : x
  2. Step 2: Convert to fraction form
    13,238.27/19,857.26 = 3,377.45/x
  3. Step 3: Cross multiply
    13,238.27x = 19,857.26 × 3,377.45
  4. Step 4: Simplify right side
    13,238.27x = 67,066,786.61
  5. Step 5: Solve for x
    x = 67,066,786.61/13,238.27
  6. Step 6: Final answer
    x = 5,066.13

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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.