Home / 13,557.09-20,333.71-5,241.03

Finding the Fourth Proportional to 13,557.09, 20,333.71 and 5,241.03

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Solution

The fourth proportional to 13,557.09, 20,333.71 and 5,241.03 is: 7,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.09 : 20,333.71 = 5,241.03 : x
  2. Step 2: Convert to fraction form
    13,557.09/20,333.71 = 5,241.03/x
  3. Step 3: Cross multiply
    13,557.09x = 20,333.71 × 5,241.03
  4. Step 4: Simplify right side
    13,557.09x = 106,569,584.12
  5. Step 5: Solve for x
    x = 106,569,584.12/13,557.09
  6. Step 6: Final answer
    x = 7,860.80

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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.