Home / 18,160.21-27,241.88-5,012.58

Finding the Fourth Proportional to 18,160.21, 27,241.88 and 5,012.58

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Solution

The fourth proportional to 18,160.21, 27,241.88 and 5,012.58 is: 7,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.21 : 27,241.88 = 5,012.58 : x
  2. Step 2: Convert to fraction form
    18,160.21/27,241.88 = 5,012.58/x
  3. Step 3: Cross multiply
    18,160.21x = 27,241.88 × 5,012.58
  4. Step 4: Simplify right side
    18,160.21x = 136,552,102.85
  5. Step 5: Solve for x
    x = 136,552,102.85/18,160.21
  6. Step 6: Final answer
    x = 7,519.30

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1.5x scale

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.