Home / 11,729.04-17,583.81-5,485.78

Finding the Fourth Proportional to 11,729.04, 17,583.81 and 5,485.78

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Solution

The fourth proportional to 11,729.04, 17,583.81 and 5,485.78 is: 8,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.04 : 17,583.81 = 5,485.78 : x
  2. Step 2: Convert to fraction form
    11,729.04/17,583.81 = 5,485.78/x
  3. Step 3: Cross multiply
    11,729.04x = 17,583.81 × 5,485.78
  4. Step 4: Simplify right side
    11,729.04x = 96,460,913.22
  5. Step 5: Solve for x
    x = 96,460,913.22/11,729.04
  6. Step 6: Final answer
    x = 8,224.11

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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.