Home / 12,610.72-18,893.39-10,146.70

Finding the Fourth Proportional to 12,610.72, 18,893.39 and 10,146.70

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Solution

The fourth proportional to 12,610.72, 18,893.39 and 10,146.70 is: 15,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.72 : 18,893.39 = 10,146.70 : x
  2. Step 2: Convert to fraction form
    12,610.72/18,893.39 = 10,146.70/x
  3. Step 3: Cross multiply
    12,610.72x = 18,893.39 × 10,146.70
  4. Step 4: Simplify right side
    12,610.72x = 191,705,465.85
  5. Step 5: Solve for x
    x = 191,705,465.85/12,610.72
  6. Step 6: Final answer
    x = 15,201.79

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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.