Home / 13,209.91-19,814.94-3,349.22

Finding the Fourth Proportional to 13,209.91, 19,814.94 and 3,349.22

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Solution

The fourth proportional to 13,209.91, 19,814.94 and 3,349.22 is: 5,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.91 : 19,814.94 = 3,349.22 : x
  2. Step 2: Convert to fraction form
    13,209.91/19,814.94 = 3,349.22/x
  3. Step 3: Cross multiply
    13,209.91x = 19,814.94 × 3,349.22
  4. Step 4: Simplify right side
    13,209.91x = 66,364,494.27
  5. Step 5: Solve for x
    x = 66,364,494.27/13,209.91
  6. Step 6: Final answer
    x = 5,023.84

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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.