Home / 13,577.36-20,365.80-5,791.52

Finding the Fourth Proportional to 13,577.36, 20,365.80 and 5,791.52

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Solution

The fourth proportional to 13,577.36, 20,365.80 and 5,791.52 is: 8,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.36 : 20,365.80 = 5,791.52 : x
  2. Step 2: Convert to fraction form
    13,577.36/20,365.80 = 5,791.52/x
  3. Step 3: Cross multiply
    13,577.36x = 20,365.80 × 5,791.52
  4. Step 4: Simplify right side
    13,577.36x = 117,948,938.02
  5. Step 5: Solve for x
    x = 117,948,938.02/13,577.36
  6. Step 6: Final answer
    x = 8,687.18

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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.