Home / 11,996.16-17,988.36-4,203.84

Finding the Fourth Proportional to 11,996.16, 17,988.36 and 4,203.84

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Solution

The fourth proportional to 11,996.16, 17,988.36 and 4,203.84 is: 6,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.16 : 17,988.36 = 4,203.84 : x
  2. Step 2: Convert to fraction form
    11,996.16/17,988.36 = 4,203.84/x
  3. Step 3: Cross multiply
    11,996.16x = 17,988.36 × 4,203.84
  4. Step 4: Simplify right side
    11,996.16x = 75,620,187.30
  5. Step 5: Solve for x
    x = 75,620,187.30/11,996.16
  6. Step 6: Final answer
    x = 6,303.70

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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.