Home / 12,330.43-18,486.95-4,323.22

Finding the Fourth Proportional to 12,330.43, 18,486.95 and 4,323.22

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Solution

The fourth proportional to 12,330.43, 18,486.95 and 4,323.22 is: 6,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.43 : 18,486.95 = 4,323.22 : x
  2. Step 2: Convert to fraction form
    12,330.43/18,486.95 = 4,323.22/x
  3. Step 3: Cross multiply
    12,330.43x = 18,486.95 × 4,323.22
  4. Step 4: Simplify right side
    12,330.43x = 79,923,084.15
  5. Step 5: Solve for x
    x = 79,923,084.15/12,330.43
  6. Step 6: Final answer
    x = 6,481.78

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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.