Home / 13,324.66-20,009.68-12,767.38

Finding the Fourth Proportional to 13,324.66, 20,009.68 and 12,767.38

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Solution

The fourth proportional to 13,324.66, 20,009.68 and 12,767.38 is: 19,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.66 : 20,009.68 = 12,767.38 : x
  2. Step 2: Convert to fraction form
    13,324.66/20,009.68 = 12,767.38/x
  3. Step 3: Cross multiply
    13,324.66x = 20,009.68 × 12,767.38
  4. Step 4: Simplify right side
    13,324.66x = 255,471,188.24
  5. Step 5: Solve for x
    x = 255,471,188.24/13,324.66
  6. Step 6: Final answer
    x = 19,172.81

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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.