Home / 12,233.32-18,336.60-6,390.52

Finding the Fourth Proportional to 12,233.32, 18,336.60 and 6,390.52

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Solution

The fourth proportional to 12,233.32, 18,336.60 and 6,390.52 is: 9,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.32 : 18,336.60 = 6,390.52 : x
  2. Step 2: Convert to fraction form
    12,233.32/18,336.60 = 6,390.52/x
  3. Step 3: Cross multiply
    12,233.32x = 18,336.60 × 6,390.52
  4. Step 4: Simplify right side
    12,233.32x = 117,180,409.03
  5. Step 5: Solve for x
    x = 117,180,409.03/12,233.32
  6. Step 6: Final answer
    x = 9,578.79

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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.