Home / 13,352.82-20,050.07-12,761.30

Finding the Fourth Proportional to 13,352.82, 20,050.07 and 12,761.30

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Solution

The fourth proportional to 13,352.82, 20,050.07 and 12,761.30 is: 19,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.82 : 20,050.07 = 12,761.30 : x
  2. Step 2: Convert to fraction form
    13,352.82/20,050.07 = 12,761.30/x
  3. Step 3: Cross multiply
    13,352.82x = 20,050.07 × 12,761.30
  4. Step 4: Simplify right side
    13,352.82x = 255,864,794.23
  5. Step 5: Solve for x
    x = 255,864,794.23/13,352.82
  6. Step 6: Final answer
    x = 19,161.85

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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.