Home / 13,871.25-19,142.73-7,584.03

Finding the Fourth Proportional to 13,871.25, 19,142.73 and 7,584.03

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Solution

The fourth proportional to 13,871.25, 19,142.73 and 7,584.03 is: 10,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.25 : 19,142.73 = 7,584.03 : x
  2. Step 2: Convert to fraction form
    13,871.25/19,142.73 = 7,584.03/x
  3. Step 3: Cross multiply
    13,871.25x = 19,142.73 × 7,584.03
  4. Step 4: Simplify right side
    13,871.25x = 145,179,038.60
  5. Step 5: Solve for x
    x = 145,179,038.60/13,871.25
  6. Step 6: Final answer
    x = 10,466.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.