Home / 13,199.48-19,799.22-12,324.68

Finding the Fourth Proportional to 13,199.48, 19,799.22 and 12,324.68

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Solution

The fourth proportional to 13,199.48, 19,799.22 and 12,324.68 is: 18,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.48 : 19,799.22 = 12,324.68 : x
  2. Step 2: Convert to fraction form
    13,199.48/19,799.22 = 12,324.68/x
  3. Step 3: Cross multiply
    13,199.48x = 19,799.22 × 12,324.68
  4. Step 4: Simplify right side
    13,199.48x = 244,019,050.75
  5. Step 5: Solve for x
    x = 244,019,050.75/13,199.48
  6. Step 6: Final answer
    x = 18,487.02

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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.