Home / 13,238.11-19,851.33-6,220.12

Finding the Fourth Proportional to 13,238.11, 19,851.33 and 6,220.12

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Solution

The fourth proportional to 13,238.11, 19,851.33 and 6,220.12 is: 9,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.11 : 19,851.33 = 6,220.12 : x
  2. Step 2: Convert to fraction form
    13,238.11/19,851.33 = 6,220.12/x
  3. Step 3: Cross multiply
    13,238.11x = 19,851.33 × 6,220.12
  4. Step 4: Simplify right side
    13,238.11x = 123,477,524.40
  5. Step 5: Solve for x
    x = 123,477,524.40/13,238.11
  6. Step 6: Final answer
    x = 9,327.43

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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.