Home / 13,230.12-19,845.06-3,996.12

Finding the Fourth Proportional to 13,230.12, 19,845.06 and 3,996.12

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Solution

The fourth proportional to 13,230.12, 19,845.06 and 3,996.12 is: 5,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.12 : 19,845.06 = 3,996.12 : x
  2. Step 2: Convert to fraction form
    13,230.12/19,845.06 = 3,996.12/x
  3. Step 3: Cross multiply
    13,230.12x = 19,845.06 × 3,996.12
  4. Step 4: Simplify right side
    13,230.12x = 79,303,241.17
  5. Step 5: Solve for x
    x = 79,303,241.17/13,230.12
  6. Step 6: Final answer
    x = 5,994.14

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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.