Home / 13,322.66-20,006.67-12,765.38

Finding the Fourth Proportional to 13,322.66, 20,006.67 and 12,765.38

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Solution

The fourth proportional to 13,322.66, 20,006.67 and 12,765.38 is: 19,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.66 : 20,006.67 = 12,765.38 : x
  2. Step 2: Convert to fraction form
    13,322.66/20,006.67 = 12,765.38/x
  3. Step 3: Cross multiply
    13,322.66x = 20,006.67 × 12,765.38
  4. Step 4: Simplify right side
    13,322.66x = 255,392,745.08
  5. Step 5: Solve for x
    x = 255,392,745.08/13,322.66
  6. Step 6: Final answer
    x = 19,169.80

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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.