Home / 12,605.94-18,920.59-6,370.36

Finding the Fourth Proportional to 12,605.94, 18,920.59 and 6,370.36

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Solution

The fourth proportional to 12,605.94, 18,920.59 and 6,370.36 is: 9,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.94 : 18,920.59 = 6,370.36 : x
  2. Step 2: Convert to fraction form
    12,605.94/18,920.59 = 6,370.36/x
  3. Step 3: Cross multiply
    12,605.94x = 18,920.59 × 6,370.36
  4. Step 4: Simplify right side
    12,605.94x = 120,530,906.49
  5. Step 5: Solve for x
    x = 120,530,906.49/12,605.94
  6. Step 6: Final answer
    x = 9,561.44

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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.