Home / 12,607.19-18,910.77-3,722.64

Finding the Fourth Proportional to 12,607.19, 18,910.77 and 3,722.64

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Solution

The fourth proportional to 12,607.19, 18,910.77 and 3,722.64 is: 5,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.19 : 18,910.77 = 3,722.64 : x
  2. Step 2: Convert to fraction form
    12,607.19/18,910.77 = 3,722.64/x
  3. Step 3: Cross multiply
    12,607.19x = 18,910.77 × 3,722.64
  4. Step 4: Simplify right side
    12,607.19x = 70,397,965.19
  5. Step 5: Solve for x
    x = 70,397,965.19/12,607.19
  6. Step 6: Final answer
    x = 5,583.95

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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.