Home / 12,525.66-18,759.60-8,993.70

Finding the Fourth Proportional to 12,525.66, 18,759.60 and 8,993.70

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Solution

The fourth proportional to 12,525.66, 18,759.60 and 8,993.70 is: 13,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.66 : 18,759.60 = 8,993.70 : x
  2. Step 2: Convert to fraction form
    12,525.66/18,759.60 = 8,993.70/x
  3. Step 3: Cross multiply
    12,525.66x = 18,759.60 × 8,993.70
  4. Step 4: Simplify right side
    12,525.66x = 168,718,214.52
  5. Step 5: Solve for x
    x = 168,718,214.52/12,525.66
  6. Step 6: Final answer
    x = 13,469.81

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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.