Home / 12,163.04-18,233.40-7,996.40

Finding the Fourth Proportional to 12,163.04, 18,233.40 and 7,996.40

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Solution

The fourth proportional to 12,163.04, 18,233.40 and 7,996.40 is: 11,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.04 : 18,233.40 = 7,996.40 : x
  2. Step 2: Convert to fraction form
    12,163.04/18,233.40 = 7,996.40/x
  3. Step 3: Cross multiply
    12,163.04x = 18,233.40 × 7,996.40
  4. Step 4: Simplify right side
    12,163.04x = 145,801,559.76
  5. Step 5: Solve for x
    x = 145,801,559.76/12,163.04
  6. Step 6: Final answer
    x = 11,987.26

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Double scale
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Similar ratio
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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.