Home / 12,932.83-19,394.37-4,165.39

Finding the Fourth Proportional to 12,932.83, 19,394.37 and 4,165.39

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Solution

The fourth proportional to 12,932.83, 19,394.37 and 4,165.39 is: 6,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.83 : 19,394.37 = 4,165.39 : x
  2. Step 2: Convert to fraction form
    12,932.83/19,394.37 = 4,165.39/x
  3. Step 3: Cross multiply
    12,932.83x = 19,394.37 × 4,165.39
  4. Step 4: Simplify right side
    12,932.83x = 80,785,114.85
  5. Step 5: Solve for x
    x = 80,785,114.85/12,932.83
  6. Step 6: Final answer
    x = 6,246.51

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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.