Home / 11,940.18-16,477.20-6,634.68

Finding the Fourth Proportional to 11,940.18, 16,477.20 and 6,634.68

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Solution

The fourth proportional to 11,940.18, 16,477.20 and 6,634.68 is: 9,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.18 : 16,477.20 = 6,634.68 : x
  2. Step 2: Convert to fraction form
    11,940.18/16,477.20 = 6,634.68/x
  3. Step 3: Cross multiply
    11,940.18x = 16,477.20 × 6,634.68
  4. Step 4: Simplify right side
    11,940.18x = 109,320,949.30
  5. Step 5: Solve for x
    x = 109,320,949.30/11,940.18
  6. Step 6: Final answer
    x = 9,155.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.