Home / 12,525.66-18,781.11-4,203.54

Finding the Fourth Proportional to 12,525.66, 18,781.11 and 4,203.54

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Solution

The fourth proportional to 12,525.66, 18,781.11 and 4,203.54 is: 6,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.66 : 18,781.11 = 4,203.54 : x
  2. Step 2: Convert to fraction form
    12,525.66/18,781.11 = 4,203.54/x
  3. Step 3: Cross multiply
    12,525.66x = 18,781.11 × 4,203.54
  4. Step 4: Simplify right side
    12,525.66x = 78,947,147.13
  5. Step 5: Solve for x
    x = 78,947,147.13/12,525.66
  6. Step 6: Final answer
    x = 6,302.83

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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.