Home / 13,354.31-18,418.93-11,241.14

Finding the Fourth Proportional to 13,354.31, 18,418.93 and 11,241.14

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Solution

The fourth proportional to 13,354.31, 18,418.93 and 11,241.14 is: 15,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.31 : 18,418.93 = 11,241.14 : x
  2. Step 2: Convert to fraction form
    13,354.31/18,418.93 = 11,241.14/x
  3. Step 3: Cross multiply
    13,354.31x = 18,418.93 × 11,241.14
  4. Step 4: Simplify right side
    13,354.31x = 207,049,650.58
  5. Step 5: Solve for x
    x = 207,049,650.58/13,354.31
  6. Step 6: Final answer
    x = 15,504.33

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1.5x scale

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.