Home / 9,420.24-14,128.56-3,577.44

Finding the Fourth Proportional to 9,420.24, 14,128.56 and 3,577.44

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Solution

The fourth proportional to 9,420.24, 14,128.56 and 3,577.44 is: 5,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.24 : 14,128.56 = 3,577.44 : x
  2. Step 2: Convert to fraction form
    9,420.24/14,128.56 = 3,577.44/x
  3. Step 3: Cross multiply
    9,420.24x = 14,128.56 × 3,577.44
  4. Step 4: Simplify right side
    9,420.24x = 50,544,075.69
  5. Step 5: Solve for x
    x = 50,544,075.69/9,420.24
  6. Step 6: Final answer
    x = 5,365.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.