Home / 13,816.04-20,723.09-5,918.54

Finding the Fourth Proportional to 13,816.04, 20,723.09 and 5,918.54

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Solution

The fourth proportional to 13,816.04, 20,723.09 and 5,918.54 is: 8,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.04 : 20,723.09 = 5,918.54 : x
  2. Step 2: Convert to fraction form
    13,816.04/20,723.09 = 5,918.54/x
  3. Step 3: Cross multiply
    13,816.04x = 20,723.09 × 5,918.54
  4. Step 4: Simplify right side
    13,816.04x = 122,650,303.88
  5. Step 5: Solve for x
    x = 122,650,303.88/13,816.04
  6. Step 6: Final answer
    x = 8,877.39

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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.