Home / 13,403.42-20,102.07-5,084.36

Finding the Fourth Proportional to 13,403.42, 20,102.07 and 5,084.36

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Solution

The fourth proportional to 13,403.42, 20,102.07 and 5,084.36 is: 7,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.42 : 20,102.07 = 5,084.36 : x
  2. Step 2: Convert to fraction form
    13,403.42/20,102.07 = 5,084.36/x
  3. Step 3: Cross multiply
    13,403.42x = 20,102.07 × 5,084.36
  4. Step 4: Simplify right side
    13,403.42x = 102,206,160.63
  5. Step 5: Solve for x
    x = 102,206,160.63/13,403.42
  6. Step 6: Final answer
    x = 7,625.38

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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.