Home / 12,233.82-18,349.19-3,914.72

Finding the Fourth Proportional to 12,233.82, 18,349.19 and 3,914.72

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Solution

The fourth proportional to 12,233.82, 18,349.19 and 3,914.72 is: 5,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.82 : 18,349.19 = 3,914.72 : x
  2. Step 2: Convert to fraction form
    12,233.82/18,349.19 = 3,914.72/x
  3. Step 3: Cross multiply
    12,233.82x = 18,349.19 × 3,914.72
  4. Step 4: Simplify right side
    12,233.82x = 71,831,829.76
  5. Step 5: Solve for x
    x = 71,831,829.76/12,233.82
  6. Step 6: Final answer
    x = 5,871.58

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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.