Home / 13,241.36-18,272.40-7,652

Finding the Fourth Proportional to 13,241.36, 18,272.40 and 7,652

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Solution

The fourth proportional to 13,241.36, 18,272.40 and 7,652 is: 10,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.36 : 18,272.40 = 7,652 : x
  2. Step 2: Convert to fraction form
    13,241.36/18,272.40 = 7,652/x
  3. Step 3: Cross multiply
    13,241.36x = 18,272.40 × 7,652
  4. Step 4: Simplify right side
    13,241.36x = 139,820,404.80
  5. Step 5: Solve for x
    x = 139,820,404.80/13,241.36
  6. Step 6: Final answer
    x = 10,559.37

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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.