Home / 12,900.26-19,350.37-8,516.69

Finding the Fourth Proportional to 12,900.26, 19,350.37 and 8,516.69

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Solution

The fourth proportional to 12,900.26, 19,350.37 and 8,516.69 is: 12,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.26 : 19,350.37 = 8,516.69 : x
  2. Step 2: Convert to fraction form
    12,900.26/19,350.37 = 8,516.69/x
  3. Step 3: Cross multiply
    12,900.26x = 19,350.37 × 8,516.69
  4. Step 4: Simplify right side
    12,900.26x = 164,801,102.68
  5. Step 5: Solve for x
    x = 164,801,102.68/12,900.26
  6. Step 6: Final answer
    x = 12,775.02

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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.