Home / 12,161.03-18,241.55-3,841.89

Finding the Fourth Proportional to 12,161.03, 18,241.55 and 3,841.89

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Solution

The fourth proportional to 12,161.03, 18,241.55 and 3,841.89 is: 5,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.03 : 18,241.55 = 3,841.89 : x
  2. Step 2: Convert to fraction form
    12,161.03/18,241.55 = 3,841.89/x
  3. Step 3: Cross multiply
    12,161.03x = 18,241.55 × 3,841.89
  4. Step 4: Simplify right side
    12,161.03x = 70,082,009.32
  5. Step 5: Solve for x
    x = 70,082,009.32/12,161.03
  6. Step 6: Final answer
    x = 5,762.84

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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.