Home / 13,209.21-19,814.54-3,348.58

Finding the Fourth Proportional to 13,209.21, 19,814.54 and 3,348.58

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Solution

The fourth proportional to 13,209.21, 19,814.54 and 3,348.58 is: 5,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.21 : 19,814.54 = 3,348.58 : x
  2. Step 2: Convert to fraction form
    13,209.21/19,814.54 = 3,348.58/x
  3. Step 3: Cross multiply
    13,209.21x = 19,814.54 × 3,348.58
  4. Step 4: Simplify right side
    13,209.21x = 66,350,572.35
  5. Step 5: Solve for x
    x = 66,350,572.35/13,209.21
  6. Step 6: Final answer
    x = 5,023.05

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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.