Home / 12,525.39-18,790.97-3,760.47

Finding the Fourth Proportional to 12,525.39, 18,790.97 and 3,760.47

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Solution

The fourth proportional to 12,525.39, 18,790.97 and 3,760.47 is: 5,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.39 : 18,790.97 = 3,760.47 : x
  2. Step 2: Convert to fraction form
    12,525.39/18,790.97 = 3,760.47/x
  3. Step 3: Cross multiply
    12,525.39x = 18,790.97 × 3,760.47
  4. Step 4: Simplify right side
    12,525.39x = 70,662,860.15
  5. Step 5: Solve for x
    x = 70,662,860.15/12,525.39
  6. Step 6: Final answer
    x = 5,641.57

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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.